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Arthur lived at Windscheidstr. 9 in Berlin Charlottenburg prior to emigrating to Amsterdam on 14.08.1933. In Berlin, he was married to Emma Josephine Bauke, with whom he had two children, Selma Martha Heidemann (born 07.04.1915 in Berlin) and Hermann Georg Heidemann (Born 12.10.1917 in Berlin). (Amsterdam City Archive Card, Jewish Addressbook Berlin 1931) After migrating to Amsterdam in 1933, he married Anna Abrahams with whom he had a daughter, Henriette.
Both Selma and Hermann managed to escape to Israel - Selma in 1935 and Hermann in 1937. After serving in the Palestine Regiment of the British Army Hermann married Chana Pollock in 1946. He also changed his name to Zvi Yadon. They had 3 children - Avital, Yael & Gili. Selma had a daughter - Maya. Selma died in in Nahrihya on 13th December 1979 and Zvi at Kfar Masaryk on 28th July 1988