Betsy Maandag was a daughter of Salomon Maandag and Judith de Hartogh. She married 17 June 1915 in Amsterdam to Izaak Gossachal, son of Jacob Gossachalk and Eva Clarenburg. The couple had a daughter who has survived the Holocaust.
City Archive of Amsterdam, archive card of Judith de Hartogh and Izaak Gosschalk.
Biography