Joseph Leendert van Gelder, miner in Oberhausen (Germany), was a son of Leendert Joseph van Gelder and Henderina van Vriesland. He married Rozetta van Gelder in Assen on 9 September 1903, a daughter of Salomon van Gelder and Folgeltje de Lange. The couple had five children: Fogeltje, Salomon, Hendrina, Leendert and Sander.
Joseph Leendert van Gelder was born in a family with ten children; one brother died young, eight years old in 1888; most likely, three of his brothers have survived the war, however not his siblings Philip, Sander Leendert, Mietje, Bertha and Rozetta; they have been killed during the Holocaust.
City Archive of Amsterdam, archive card of Leendert van Gelder, Joseph Leendert van Gelder, website www.wiewaswie.nl and website www.allegroningers.nl.
Biography