Adolf de Vries was a son of Isaac de Vries and Flora Onderwijzer. He married 31 July 1923 in Amsterdam to Betsie de Lange, a daughter of Salomon de Lange and Flora Root.
Adolf had another brother ((501913|Samson) and a sister Elisabeth who have been killed too during the Shoah.
City Archive of Amsterdam, archive card of Isaac de Vries and website www.wiewaswie.nl.
Biography