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Isidore Cosman, birth Amsterdam, Noord-Holland, Nederland, son of Gerrit Cosman and Johanna Stein
(divorced) to: Sara Frank, birth 27 MRT 1884 Groningen, Groningen, Nederland, died 25 Jan 1943 Auschwitz, Katowice, Polen 1st marriage 2nd marriage, daughter of David Frank and Roosje Velleman |