Jacob Visser was a son of Mozes Visser and Esther Hakker. He married 14 April 1910 in Groningen a non-Jewish woman, with whom he had a daughter in 1911. The marriage ended by divorce on 17 May 1918. Jacob Visser remarried eleven years later, on 11 September 1929 Adèle Leeuwin, a daughter of Hijman Leeuwin and Rachel de Smitt. Jacob and Adèle had no children together.
Adèle Leeuwin however was prev…