Mozes van Dam was a son of Samuel van Dam and Jetta Appel. He married Jane Menist in 1886 in Amsterdam. She died in 1933. They had at least one child. In 1941 Mozes van Dam moved from Zandvoort to Heemstede. In 1942 he moved to the Waalstraat 87 I in Amsterdam.
Stadsarchief Amsterdam, archiefkaart Mozes van Dam