Simon Duitz was a son of Levie Duitz and Louise Zwaap. He married 29 March 1906 in Amsterdam Esther Lopes Cardozo, a daughter of Jacob Haim Lopes Cardozo and Eva d’Ancona.
Simon had five other siblings; two have survive the war and two have died before the war. He self and his sister Rosette have been killed during the Holocaust.
City Archive of Amsterdam, various archive cards of Duitz and websit…