Bob Reens was a son of Izak Reens and Judith Zwartverver, who were married in Amsterdam on 20 May 1931 and who both have survived the Holocaust. His grandparents were Barend Reens and Rosette Velmans, who did not survive the war.
City Archive of Amsterdam, archive card of Izak Reens and tomb stone of Izak Reens.
Biography