Mordechai Morpurgo was a son of Salomon Morpurgo and Saartje Moscou. He married in Amsterdam on 9 November 1911 to Marianne Soester, daughter of Louis Soester and Betje Lisser. The couple had three children together: Celine, Louise Betty and Sydney Maurice.
City Archive of Amsterdam, archive card of Mordechai Morpurgo.