David Wijnschenk was the son of Barend Wijnschenk and Branca Dinsdag. He was first married to Bloeme van Cleef. The couple had four children. Branca van Cleef died in 1936.
In September 1941 David Wijnschenk married Sara Zoute.
Amsterdam Municipal Archives; record card of David Wijnschenk
In addition, a Jokos file (number 5216) on this person is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.