Schoontje Coopman was a daughter of Tobias Coopman and Lea Schrijver. She married Izaac de Vries in Amsterdam on 26 July 1939, a son of Rafaël de Vries and Betje Tertaas. The couple has one daughter, Lea.
City archive of Amsterdam, archive card of Izaac de Vries and Tobias Coopman.
Biography