Abraham Zwaaf was a son of Jacob Zwaaf and Christina Vleesdraager. He married 24 December 1913 to Grietje Pront, daughter of Hartog Pront and Sara Werkheim. The couple had three children: Hartog, Christina and Sara.
Abraham had another brother and a sister: Leon Zwaaf and Clara Pots-Zwaaf
Cityh Archive of Amsterdam, archive card of Abraham Zwaaf and website www.wiewaswie.nl.
Biography