Majer Wieselmann, a merchant, was a son of insurance agent Moses Wieselmann and of Frieda Hecht. He was married at Westerbork transit camp on 22 October 1943. His wife survived the war.
Record of marriage certificates of the Westerbork municipality, currently at the archives of Gemeente Midden-Drenthe in Beilen
Together with his brother 573037 he moved to the Netherlands.