Hartog Kosman, porter, was a son of Machiel Hartog Kosman and Duifje Waas. He married Roosje de Rood in Amsterdam on 22 August 1883, cleaning woman, a daughter of Salomon Hartog de Rood and Leentje Abraham Samson. Roosje passed away on 8 April 1934 in Amsterdam ans he has been interred two days later in the Jewish Cemetery at Muiderberg. Hartog Kosman was killed on 7 December 1942 in Auschwitz.
Hartog’s father, Machiel Hartog Kosman was married twice. From his first marriage with Duifje Waas, four children has been born: Rachel, Hendrika, Hartog and Barend. His wife Duifje has deceased between 1866 and 1871 as on 8 November 1871 Machiel Hartog Kosman, then 40 years old, remarried the 35-year old widow of Gerrit Meijer van Dam, Grietje Altenberg. From this 2nd marriage two children were born: Raphaël and Femmetje
City Archive of Amsterdam, family registration card and archive card of Hartog Kosman and website www.wiewaswie.nl.