Abraham Sjouwerman was a son of Israel Sjouwerman and Rebecca Prins. He married 5 May 1936 in Antwerp to the on 20 July 1916 in Holborn London born Rebecca Friedrich, a daughter of Aaron Leib Friedrich and Gisen Schuhandler.
Abraham Sjouwerman had 2 other sisters and one brother, who have most likely survived the Holocaust.
City Archive of Amsterdam, archive card of Abraham Sjouwerman, Dossier of …