Saartje van Gelder was a daughter of Andries van Gelder and Kaatje Koster. She married 7 December 1932 in Amsterdam, aged 40, to the 60-year old widower of Mietje Zilverberg, Abraham van Gelderen from Kampen, a son of Gompert Levie van Gelderen and Judik de Lange. Abraham van Gelderen passed away on 2 October 1939 in Amsterdam and left nine children from his first marriage, of whom four children h…