Izak Frank, a son of Heineman Frank and Leentje Groen, married widowed from Geertje Frenkel on 24 January 1931 a daughter of Joseph van Gelder and Marianna Izak (Jetta) Park, Mina van Gelder. Izak's first wife Geertje Frenkel died on 2 April 1930 in Winschoten. The marriage of 67-year-old Izak Frank and 62-year-old Mina van Gelder took place in Den Haag.
Izak Frank had seven children from his marr…