Philip van Gelder was a son of Leendert Joseph van Gelder and Hendrina van Vriesland. He married Elsje Smit in Amsterdam on 19 December 1912, a daughter of Willem Smit and Debora Wagenhuijzen.
Philip 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 Joseph Leendert,…