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 …
In addition, a Jokos file (number 60879) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.