Mozes Wegloop was a son of Hijman Wegloop and Klaartje Engelschman. He married 25 June 1919 in Amsterdam to Clara Swaab, a daughter of Salomon Levie Swaab and Sara Swaab. The couple had two children as mentioned here. His wife has survived the Holocaust.
City Archive of Amsterdam, family registration cards of Salomon Levie Swaab and Mozes Wegloop.