Joseph Marcus Hangjas was a son of Marcus Hangjas and Betje Piller. He married Sara Boas in 1927 in The Hague. She died in 1939. They
had a daughter 455318. Joseph Marcus Hangjas remarried on 19 March 1942 to the here mentioned Catharina Akker.
Stadsarchief Amsterdam, archiefkaart Joseph Marcus Hangjas
Biography