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Antonie Pannekoek Archives

Kommunistische Arbeiders-Partij in Nederland (1921-1932)

List of members

List of members (before 1923) of one quarter of Amsterdam (zuid-oost); source: i.i.s.g., collection Henk Canne Meijer, map 184.



In 1921 some 200 oppositional members of the c.p.h. were excluded while others left. On 4 September 1921, at Amersfoort, they founded the Kommunistische Arbeiders-Partij in Nederland with ten local sections: Amsterdam, Bussum, Den Haag (The Hague), Deventer, Enschede (published in 1921 its own “De Kommunist”), Hengelo, Leiden, Rotterdam, Weesp and Zwolle (most, some 15 members, excluded soon, in 1921, see the Roode Vaan), with somewhat later, very questionable, up to some 400 members. According to the k.a.p.d., in 1922 there would have been some 200 members left, probably much less, with sections in Amsterdam, Bussum, Den Haag, Enschede, Leiden, Rotterdam, Utrecht and Zwolle; thus the sections in Deventer, Hengelo and Weesp would have disappeared, while only in Utrecht a new section appeared. Also according to the k.a.p.d., in 1922 the Kommunistische Arbeiders-Jeugd only had a section in Amsterdam, with only 10 members, orientated, in contrast to the k.a.p.n., towards the Berlin-Tendency in Germany. Although a group carried the name until 1932, it fundamentally started to fall apart in 1923.

It’s “theoretician” or rather inspirator was Herman Gorter, who wrote or translated all the party’s pamphlets. For “theory”, Herman Gorter relied heavily on Anton Pannekoek’s Weltrevolution und Kommunistische Taktik of August 1920, of which he made his own interpretation (corresponding to the Essen-Tendency in Germany, lead by his friend Karl Schröder), in disagreement with Anton Pannekoek, who furthermore never joined the organisation but remained befriended to Herman Gorter until the latters death in 1927, the year in which Pannekoek started writing again after a quasi-abstinence of six years.

In 1923, concluding to a defeat of the proletariat after failed attempts to found a new International (the Communist Workers’ International), which soon broke up into local tendencies, and which Herman Gorter tried in vain to reunify, he more or less retreated also because of serious health problems, writing his famous poem “In defeat, I want to be your poet”; yet, in the last months of his life he tried to found a new group. Such group came to life only after his death: the g.i.c., far more oriented towards the Berlin-tendency of the German k.a.p.d., and under the “mentorship” of Anton Pannekoek.

For the following, provisional, very incomplete and certainly disputable list of members, served the correspondences in the archives of Henk Canne Meijer  in the i.i.s.g., publications of the k.a.p.n. itself; civil records (WieWasWie ), genealogical sites and sites on victims of the “final solution”; while good use was also made of some lists electronically available of the c.i.d.  (Dutch security police).

Much remains to be desired, so if you have more or better information, please share it with us.


 – Agen, Age van (1896-1973); Amsterdam, merchant, worker; later member of the g.i.c., agitator among the unemployed, most of all inspirator of the seperate Proletenstemmen; co-author of the Roodboek on Marinus van der Lubbe; 1920 married in Lonneker (Overijssel) to Luutske Nijdam, assistent druggist (apothekersassistente); divorced Enschede 1936, remarried 1938 to Fie Zegerius; son of Jan van Agen, merchant, and Annigje Steenbergen.

 – Agter, T. (Sytze), Zwolle, excluded with most of the Zwolle’ section in 1921; married 1905 to Trijntje Nekkers, two children.

 – Amstel (=Leijden van Amstel), Gretha van (Greet, 1903-1981); Amsterdam, plastic artist (beeldend kunstenaresse); she was one of the co-editors of the Roodboek on Marinus van der Lubbe; married to Lo Lopes Cardoso; she was sent to Auschwitz but survived; she had two sons (Paul and Matthieu) and a daughter (Rita, also called Sonja); only Paul survived; she wrote poems on the war and the holocaust; daughter of Meijer Leijden van Amstel (1866-1943) and Femmetje Abas (1868-1889).

Jan Bos Source: The Spur, April 1934, collection Bart de Cort.

 – Andersen, Catharina (1894/1895-1966); Amsterdam; daughter of Johannes Andersen and Eva Anna Margaretha Peereboom, in 1911 married to Barend Luteraan, divorced 1921, two children: Dolly and Hans.

Catharina Andersen Source: Vele woningen, maar nergens een huis, p. 30, collection E. Melchers-Luteraan.

 – Boer, M. de; Amsterdam.

 – Bom, Adrianus Jacobus (Arie, Rotterdam 1895-); Rotterdam, The Hague, worked with Gees en Stientje; published De Radencommunist seperate from the g.i.c. in 1932-1933 and Proletarische Beschouwingen in 1936, listed by the c.i.d. 1938-1939; in 1939 even as “terrorist”; son of Johannes Melchior Bom and Alida Jacoba van der Wal, married 1915 to Lena Vroegindeweij (in het archief van Cajo Brendel, i.i.s.g., map 39, bevindt zich een autobiografie van Arie de Bom).

 – Bos, Johannes Jacobus (Jan) (1876-1948); Amsterdam, publisher of Herman Gorter’s political works and a friend of Barend Luteraan; later member of the b.k.s.p. and the o.s.p., also see: In memoriam Jan Bos / [Frits Kief]. – In: De Vlam, 4e jaargang, 1948, nr. 3, 16 januari, p. 4, and: In vader’s voetspoor  / Dennis Bos. – in: Onvoltooid Verleden.

Jan Bos Source: Dennis Bos.

 – Bruin, Coenraad du (Coen, 1885-Sobibor, 1943); Amsterdam, sales representative (handelsreiziger), agent life insurances (agent levensverzekering); in 1924 secretary of the Amsterdam section of the k.a.p.n., later member of the s.d.a.p. and 1934 o.s.p.; present on five police lists of the c.i.d., 1924-1939; son of Jacob du Bruin and Vrouwtje Stokvis, married in 1910 to Catharina Maria Wilhelmina Carolina de Rooij; see: communityjoodsmonument.nl .

 – Bruins, G., Zwolle, excluded with most of the Zwolle’ section in 1921.

 – Bruins, M., Zwolle, excluded with most of the Zwolle’ section in 1921.

 – Burg, W.H.

 – Christenhusz, Gerardus Joannes (1888-), Hengelo, born Almelo, agent insurances (verzekeringsagent), son of Gerardus Joannes Christenhusz, carpenter (timmerman), and Maria Perik, 1917 married to Hendrika Antonia ter Ellen.

 – Canne Meijer, Henk (1890-1962); Amsterdam; first benchman travelling through Europe, since 1914 teacher, member of the s.d.a.p., s.d.p., k.a.p.n. (left in 1923); founding member of the g.i.c., see Henk Canne Meijer.

Henk Canne Meijer 1948, with Marco in his arms; source: collection a.a.a.p., Clara Geoffroy.

 – Coenders, A. (1876-1924); Utrecht, living Elinckwijk-Zuilen, treasurer of the k.a.p.n., later anti-militarist, editor Vrije Communist, listed as revolutionary by the c.i.d., 1919-1925.

 – Coerman, Anna Beredina (1885-1940); Zwolle, teacher (onderwijzeres); secretary of the k.a.p.n.; excluded with most of the Zwolle’ section in 1921; daughter of Jacob Gerard Coerman and Aaltje Bruggink, in 1911 married to George Johann Viehoff, born Maag (1886-), cadaster draughtsman (kadastertekenaar), son of a sculptor.

 – Coerman, J.P.A. (Piet, 1890-1962); Bussum, teacher (onderwijzer), befriended to Herman Gorter since 1908; his fellow fighter in the s.d.a.p., s.d.p., c.p.h. and k.a.p.n.; after Gorter’s death co-founder of the g.i.c.; married to J.F. van Randeraat, they had a son Jaap, born Bussum, 1920.

 – Doorn-Masseling, S. van, Zwolle, excluded with most of the Zwolle’ section in 1921.

 – Evers, Wilhelmina Johanna (1895/6-1928), married to Jan Nicolaas Nugter, daughter of Jan Nicolaas Evers, carpenter (timmerman) and Anna Christina Heineman.

 – Fraterman, George Cornelis; (1882-); Amsterdam, bicycle repairer (fietsenmaker), merchant in 1930; son of Johanna Cornelia Fraterman, married 1905 Aleida Geertruida Gimbergh; they had a daughter Johanna Cornelia.

 – Geers, Dr. Gerardus Johannes (1893-1965); Enschede, born Delft, teacher (leraar h.b.s.), prominent member of the k.a.p.n. (according to the police in 1924 “leader of the k.a.p.h.”), later anarchist, on police lists of the c.i.d., 1921-1937; his archives are conserved in the i.i.s.g.

 – Goltz, Marie (Emma, 1894/1895-Sobibor, 1943); Amsterdam, born Wilna, Lithuania, daughter of Josef Goltz, diamond cutter, and Sophie Nemzenko, married 1922 to Pieter Secrève.

 – Gorter, Herman (1864-1927); Bussum, teacher, listed by the c.i.d., 1919-1938, son of Simon Gorter, baptist vicar (doopsgezind dominee), and Johanna Catharina Lugt, married 1890 to Wies Cnoop Koopmans; see: An inventory of the writings of Herman Gorter (1864-1927).

Herman-Gorter Source: Het Geheugen van Nederland  (Letterkundig Museum, Den Haag).

 – Grewel, Prof. dr. Frits (1889-1973); Amsterdam, medical docter, reputated psychiater; son of Salomon Grewel, diamond cutter, and Alida Dommershuijzen, married 1931 to Sophia Wessel.

Frits-Grewel Source: Beeldbank Amsterdam  (Portrait made by his friend Carel Willink).

 – Hendriksen, B.; Zwolle; excluded with most of the Zwolle’ section in 1921.

 – Heuvel, Theo van den (1891/1892-1976); Amsterdam, see under g.i.c., later member of the Spartacusbond, in 1964 founding member of “Daad en Gedachte”; cousin of the Maassen’s.

 – Hillesum, Betsy (Betje, 1901-1924); Amsterdam, commemorated in De Baanbreker, 3e jaargang, nr. 1, married in 1921 Bernard Verduin; daughter of Jacob Hillesum, roosjesslijper, and Anna Tertaas (both died in Auschwitz, 1943).

 – Hoenders, Willem Albertus (1884-); Amsterdam, The Hague, born Arnhem; son of Herm Jan Hoenders, grocer (kruidenier), and Hendrika Adriana Odendaal.

 – Hoetink; Zwolle; excluded with most of the Zwolle’ section in 1921.

 – Hoorn, Petrus Franciscus van (Piet, 1885-1937); Amsterdam, mathematician; graduated cum laude gymnasium, studied Leiden, pupil of prof. H.L. Lorentz; also poet, reputated cello- and chess-player; travelled a lot throughout Europa, thereupon accountant; was part of the circle around Maurits Dekker; see: Gedenkboek P.F. van Hoorn / Theo van Hoorn, Th.M.E. Liketh. – Amsterdam : [Uitgegeven door het weekblad “De Schaakwereld” bij W.L. Salm & Company], [1937]. – 91 p.

Piet van Hoorn  Source: New in Chess .

 – Janssen, J.J.; Amsterdam.

 – Jordens, Gerrit D. (1877-1957); Zwolle, mechanical engineer (werktuigbouwkundig ingenieur), president of the local section of the k.a.p.n., excluded with most of the Zwolle’ section in 1921; his archives are conserved in the i.i.s.g.; also see:  Gerrit Jordens, Radencommunist (1877-1957) / Igor Cornelissen. – In: De As, 44e Jrg. (2016), nr. 196 (herft-winter). – p. 50-52.

Gerrit Jordens  Source: Igor Cornelissen.

 – Kief, Carl Friedrich (Frits, 1908-1976); Amsterdam, electrotechnician, born Rotterdam, son of Philipp Kief and Susanna Pfeiffer, married 1932 to Rosa Korper; see: Resources Huygens ing ; and: dbnl.org ; his archives are conserved in the i.i.s.g.

Frits Kief Source: MyHeritage.com .

 – Kleijn; Rotterdam.

 – Klooster, J.; Zwolle, excluded with most of the Zwolle’ section in 1921.

 – Koost, B.; Amsterdam.

 – Korper, Abraham (Bram, 1890-1944); Amsterdam, cigar maker, office employee, in 1924 member of the board of the w.a.c. not mentioned by the police as member of the k.a.p.n., brother of Sara and Rosa Korper, died Auschwitz, 1944; son of David Korper, merchant (koopman), and Rebecca Kokernoot, first married to Rosa Reens (1892-1928), then to Beathe de Leeuw (1901-Auschwitz, 1944); one son, Rudolf Herman Korper (Rodi, from the first marriage, 1928-Extern kommando Gleiwitz, 1944), and a daughter, Ruth Korper (second marriage, 1935-Auschwitz, 1943); there is a picture of him in the i.i.s.g.

Bram Korper Source: Vele woningen, maar nergens een thuis, p. 45 (collection R. Kief-Korper).

 – Korper, Louis

 – Korper, Emmanuel (Manus, Manie, 1884-1940); Amsterdam, cigar maker, married to Toni Maassen, no children; commited suicide 15 May 1940 when the German troops marched into Amsterdam; son of Levi Korper (1861-1915), disc sander (schijvenschuurder), en Aaltje Rootveld (1861-1938); there is a picture of him in the i.i.s.g.

Manus Korper Source: Vele woningen, maar nergens een thuis, p. 45 (collection D. Korper).

 – Korper, Rosa (1905-1997?); Amsterdam, married 1932 to Frits Kief; daughter of David Korper, merchant (koopman), and Rebecca Kokernoot, sister of Bram and Sara Korper.

 – Korper, Sara (1902-1997?); Amsterdam; daughter of David Korper, merchant (koopman), and Rebecca Kokernoot, sister of Rosa and Bram Korper.

 – Kretz, Cornelis Jacobus (1879-1956); The Hague since 1919, born Rotterdam, merchant, postal address editors k.a.p.n., on lists c.i.d., 1924-1939; son of Karel Hendrik Kretz and Antonia Cornelia van Dordrecht, married 1918 Antje Johanna van Lier (1883-1971).

 – Leeuw, A. de, in 1937 editor of “De Arbeidersraad” [possibly Arthur, a brother of Beathe, married to Bram Korper].

 – Lopes Cardozo, Benjamin (Ben, 1887-1942); Amsterdam, merchant, born Amsterdam, 18 May 1887, died Amsterdam, 8 May 1942 (suicide, the day before he had to wear the Star of David), brother of Lo Lopes Cardozo, married to Molka Raismann (1890-1982).

Ben Lopes Cordozo Source: Bart de Cort (This is Ben and not Lo).

 – Lopes Cardozo, Lodewijk (Lou, Lo, 1892-1944); Amsterdam, office employee, journalist Algemeen Handelsblad, born Amsterdam, 5 November 1892, died Auschwitz, 8 April 1944, son of Mozes Lopes Cardozo (1849-1921) and Mirjam Ailion (1851-1897), brother of Ben Lopes Cardoso, was not officialy married to Gretha (Greet) Leijden van Amstel (they had three children), with their daughter Sonja they were arrested in the summer of 1944 and transported via Westerbork to Auschwitz; only Greetje survived; their other son, Paul Lopes Cardozo, born 1922, died in 2000; formally Lo was married to Cerlina Sophia van Essen (1900-1936).

Lo Lopes Cardozo Source: Community Joods Monument , portrait made by Meijer Bleekrode (This is Lo, and not Ben).

 – Luteraan, Barend (1878-1970); Amsterdam, on police lists of the c.i.d., 1919-1939; son of Saartje Luteraan, 1911 married to Catharina Andersen, divorced 1921, then living with Catho van der Meer-Maassen (two children: Nol and Bob Maassen); see: Vele woningen, maar nergens een thuis. Barend Luteraan [1878-1970] / Dennis Bos. – Amsterdam : Het Spinhuis, 1996. – 149 p.

Barend-Luteraan Source: Vele woningen, maar nergens een thuis, p. 11 (collection G. Smits-Maassen).

 – Maassen, Antonia Johanna (Toni, 1878-1968); Amsterdam; daughter of Albert Arnold Maassen, carpenter (timmerman), and Anthonia Johanna van den Heuvel, married 1906 to Bernardo Antonio Bianchetti, waiter, died 1910, remarries 1919 Manus Korper, sister of Theo and Catho Maassen; three children from the first marriage: Bernardo Antonio, Albert Johan and Maria Antonia Johanna.

 – Maassen, Catharina Elisabeth (Catho, 1884/1885-); Amsterdam; daughter of Albert Arnold Maassen, carpenter (timmerman), and Anthonia Johanna van den Heuvel, sister of Theo and Toni Maassen, married 1911 to Gerrit van der Meer, druggist, died young, later living with Barend Luteraan.

 – Maassen, Theodorus Johannes (Theo, 1891-1974); Amsterdam, sales representative (handelsreiziger), excluded in 1922, later member of the g.i.c., Spartacus and in 1964 co-founder of Daad en Gedachte; son of Albert Arnold Maassen, carpenter (timmerman), and Anthonia Johanna van den Heuvel, brother of Catho and Toni Maassen, married 1912 Hilda Emma Anna Cornelis van der Haas, divorced 1918, remarried 1919 Pauline Anchelina Louise Philippeau; daughter Sonja (1921/2-2008) became a famous singer: Sonja Oosterman .

 – Morlee, Jan

 – Nekkers, Trijntje (1882-1943); Zwolle, born Heerenveen, daughter of Andries Nekkers and Aaltje Hielkema, treasurer (penningmeester) of the local section of the k.a.p.n., excluded with most of the Zwolle’ section in 1921, on police lists of the c.i.d., 1924 en 1930, in 1905 married to Sietze Agter (1877-1949), teacher; she died Epe, Gelderland, 10 maart 1943; children: Annie (1909-1992) en Nine (1912-1997, married Erik Jordens).

 – Nunes/Nunez Vas/Vaz, Jacob (Jaap, 1906-Sobibor, 1943); Amsterdam, journalist, later member of the o.s.p., during the Second World War main editor of Het Parool; son of Isaac Nunes Vaz, shop-keeper (winkelier), and Daatje Kinsbergen.

Jaap Nunez Vaz Source: Yad Vashem Photo Archive .

 – Nugter, Jan Nicolaas (1897-1975); Amsterdam, dispatch helper (expeditieknecht), street sweeper, factory worker, paviour (stratenmaker); was a member in 1927-1928, in 1933 he would have sold portraits of Mussolini and Hitler; son of Willem Nugter, farmer (landbouwer) and Johanna Epker; married Avenhorn, 1919 Wilhelmina Johanna Evers, she died 1928, Amsterdam, 1929 Jacoba Johanna Swart, died 1949; third marriage with Helena Catharina van Bracht.

Jan Nugter Source: Stamboom van de Nugters .

 – Pelgrom, Marinus Paulus (Rinus, Rotterdam 1902-1960); Amsterdam, married Rotterdam, 1926 Anna Margaretha Koeten (Greet, Rotterdam 1907-1988), later trotskyist; son of Daniel Willem Pelgrom and Maria Johanna Commijs.

Rinus Pelgrom Source: Onvoltooid verleden .

 – Praag, M. van; Amsterdam.

 – Reens, Rosa (1892-1928); Amsterdam, clerk (Dienst der Publieke Werken), daughter of Jacob Mozes Isaac Reens, merchant, and Floortje Mok, married 1926 Bram Korper; she died in child labour, their son Rudolf was raised by one of Bram’s sisters.

 – Roodzant, David (1892-1957); Rotterdam, born The Hague, benchman (bankwerker), amateur chess player, son of Johannis Cornelis Pieter Roodzant and Margaretha Geertruida Mieremet, married 1918 to Catharina Glimmerveen (Toos, 1896-1999, 102 years old, a profesionnel international chess champion, first women in this sport in the Netherlands); from 1919 to 1921 they lived in England; they had three children.

 – Rossum, H. van, Zwolle, excluded with most of the Zwolle’ section in 1921.

 – Rot, A.; Amsterdam.

 – Scheffer, Wilhelm Johannes (1885-1924); Zwolle, engine driver (machinist) n.s., president of the local section of the k.a.p.n., on police lists of the c.i.d.; son of Wilhelm Scheffer, wagonbuilder (wagenmaker) and Hendrikje van den Bosch, 1917 married to Johanna van Dijk (1882-); zie: Kommunistische Arbeider, 1924, nr. 3.

 – Schouwink, H.; Enschede.

 – Schröder, J.C.A.; Amsterdam.

 – Secrève , Pieter Abraham (1887-1963); Amsterdam, born Schoterland, office employee (kantoorbediende), Amsterdam, secretary of the k.a.p.n., was expelled in 1924 or earlier, on police lists 1924-1939, son of Pieter Abraham Secrève and Catharina Jacoba Suzanna Petronella Hirschmann, married 1922 to Marie Goltz.

 – Slagter, A.; Amsterdam

 – Snoek, H., Zwolle, excluded with most of the Zwolle’ section in 1921.

 – Stuiver, Barend (1884-Auschwitz 1944); Amsterdam, cigar maker; son of Abraham Stuiver and Kaatje Boeken, married 1925 to Rosa van Straten (1890-Auschwitz 1944); two daughters.

 – Swinderen, D[irk?]. van (1890-1931?), Amsterdam, administrator Kommunistische Arbeider (k.a.p.n.), on police lists of the c.i.d., 1924 and 1930.

 – Teeken, J., Zwolle, excluded with most of the Zwolle’ section in 1921.

 – Tervooren, G.; Rotterdam?

 – Utzelman, Peter

 – Valk, J.; Zwolle, excluded with most of the Zwolle’ section in 1921.

 – Valkhoff, Prof. Dr. Johan (1897-1975); lawyer, Amsterdam; soon returned to social-democracy; in 1936 he translated Trotsky’s History of the Russian Revolution into Dutch; see: Johan Valkhoff (b.w.s.a.), also see: Valkhoff, Johan (1897-1975) (Resources Huygens ing) and: marxists.org (nl).

Johan Valkhoff Source: b.w.s.a..

 – Verduin, Abraham (1902-Auschwitz 1945), Amsterdam, manufacturer of hats, born Borgerhout (Belgium), secretary youth group k.a.p.n., on police lists of the c.i.d., 1924 and 1930, son van Isaac Verduin, diamond cutter, and Rachel Stijsel; brother of Bernard Verduin.

Abraham Verduin ±1940. Source: joodsmonument.nl .

 – Verduin, Bernard (Ben, 1900-1972), Amsterdam, office employee in a bookstore, journalist, married 1921 to Betje Hillesum, he continued her diary after her early death; on police list of the c.i.d.; their two sons died in 1945 in Germany and Poland; son of Isaac Verduin, diamond cutter, and Rachel Bernardine Stijsel (both died in Auschwitz); brother of Abraham Verduin.

 – Verduin, Isaac Abraham (1891-Auschwitz 1942); Amsterdam, since 1936 worker of the textile factory Hollandia-Kattenburg; lived with Henriette Swaab (1898-1940), inspector (controleuse).

Isaac Verduin Source: joodsmonument.nl .

 – Verduin, J.; Amsterdam.

 – Visser, J.J.; Rotterdam, secretary local section of the k.a.p.n. until 1925, afterwards not organised, on police list c.i.d. in 1925.

 – Vries, J. de; Enschede, secretary local section k.a.p.n., on police lists c.i.d., 1924 and 1930.

 – Wal, P. van der; Amsterdam.

 – Weegink, Johannes, Hengelo, agent for Kommunistische Arbeider (k.a.p.n.), on police list of the c.i.d., 1924 and 1930, in 1939 as anarchist (Krabbenboschweg 4).

 – Wiertz, Johannes Antonius (1891-1951); Amsterdam, waiter (kelner); son of Maria Alida Wiertz, married 1913 to Jacobje Gijzen, they had two children.

 – Wijnveldt, C.; Rotterdam.

 – Willems, Frederik (1890-); Zwolle, under engine driver (ondermachinist), excluded with most of the Zwolle’ section in 1921, son of Jan Willems, switcher (wisselwachter) and Hillechien ter Steeg, married Zwolle 1917 to Margaretha Jochemina Jansen.

Related others

 – Altenau, Johannes Petrus Martinus van (1889-); Den Bosch, cigar maker, born Den Bosch, son of a cigar maker, lived Antwerps, came to Leiden in 1920, in 1922 he moved to Amsterdam, in 1924 propagandist for the c.p.h., in 1939 according to the police a “reputable council communist” in Den Bosch; in Amsterdam in 1916 he married Rosina Anna Bertelsmann, divorced 1927.

 – Dekker, Maurits (1896-1962), writer, pseudonyms: Gerard van Arkel, A. Bakels, Jan Dekker, Martin Redeke, Boris Robazki; son of Joël Dekker, sales reprensentative and house painter, and Betje Turksma, dressmaker; married to Mien Hellingman (member of the g.i.c.), they had two daughters; after his first wives’ death in 1954 he remarried Hendrika Christina van Assen.

Maurits Dekker Source: b.w.s.a.

 – Eggink, Clasina Maria (Claasje, 1890/1891-); Amsterdam, telegrapher; member of the Federatie van Sociaal-Anarchisten ca. 1920-1923, later c.p.n., b.k.s.p.; emigrated to the u.s.a.; married in 1920 Mourits Wesselius, house painter; see: LibraryThing .

 – Pannekoek, dr. Antonie (Anton, 1873-1960); Amsterdam, astronomer; on police lists of the c.i.d., 1920-1939 as founder of the k.a.p.n., but never was a member; son of Johannes Pannekoek, office employe (kantoorbediende) and Willemina Dorothea Beins; married Leiden 1903 to Johanna Maria Nassau Noordewier (Anna, 1871-1957), two children; see: An inventory of the writings of Antonie Pannekoek (1873-1960).

Anton Pannekoek Source: d.b.n.l. .

 – Querido, Emanuel (1871-Sobibor 1943); Amsterdam, book publisher, the address of his publishing house was the postal address of the k.a.i.

Emanuel Querido Source: n.i.o.d. .

 – Sirach, Eduard (1895-1937); Leiden, in 1924 oppositional in the c.p.h., later l.a.o. (in the l.a.o. also Simon Harteveld), editor of Spartacus and co-editor of the Redbook on Marinus van der Lubbe; was married to Petronella Johanna Klepper, children: Johanna, Wilhelmina and Alida Sirach.

 – Siewertsz van Reesema, William Carl (1882-); Rotterdam; in 1918 editor of De Internationale, later member of c.p.h., excluded 1923, back in 1927; on list of left-extremists 1939.

 – Soep, Abraham B. (1874-1958); Amsterdam, Antwerps, The Hague, editor, wrote in 1918 in De Internationale, in 1921 expelled from Belgium; see: b.w.s.a. .
He was the author of:
Nationalisme of internationalisme? (Met een onuitgesproken rede voor het congres van de s.d.a.p., april 1915) / A.B. Soep. – ’s-Gravenhage : Verkrijgbaar bij drukkerij „De Arbeid”, Brouwersgracht 8, [1915]. – 68 p.
 p. i-v;  p. 1-16;  p. 17-28  p. 29-50;  p. 51-68
Het Jodendom ; Anti-semitisme van uit een sociaal-historisch gezichtspunt bezien ; Rede gehouden in de maanden april, mei en juni 1933 voor de Vereeniging voor Volksontwikkeling te Amsterdam, Den Haag en Rotterdam en voor den Bond Anarcho Socialisten te Utrecht  / door A.B. Soep. – Den Haag : Uitgave “De Vonk”, [1933]. – 78 p.
 p. 1-19;  p. 20-39;  p. 40-59;  p. 60-78.

Abraham Soep Source: b.w.s.a. .

 – Stello, Willem (1905-); Rotterdam, active council communist in the strike in Twente in 1938; mentioned on police list of the c.i.d., son of Leendert Cornelis Stelloo and Grietje Carpentier; he had an older brother Leendert Cornelis Stelloo, born Rotterdam 1898, died Pankanbaroe (Dutch Indies), 1945.

Compiled by Vico, 16 October 2015, latest additions 4 December 2016