Philip de Vries was a son of Hijman de Vries and Jansje Bonewit. He married 17 October 1934 in Amsterdam to the widow of Levie Katoen, Betsy de Haan, a daughter of Levy de Haan and Alida van Weren.
City Archive of Amsterdam, archive card of Hijman de Vries, Philip de Vries and website www.wiewaswie.nl.
Biography