Benjamin van Gelder was a son of Israël van Gelder and Anna Stofkooper. He married Antje de Leeuw from Almelo-Stad on 21 June 1895 in Borne, a daughter of Abraham Marcus de Leeuw and Betje Fuldauer. The comple had seven children: 3 December 1895 Agatha Betsij was born; 7 May 1897 Betje; 6 September 1898 Israël, 11 May 1900 Roosje;’27 October 1901 Anna; 9 August 1903 Abraham and 3 March 1905 Izak P…