Henri Manheim was a son of Manus Manheim and Clara Jacob. He married in Amsterdam on 15 January 1908 to Mietje Emden. The couple had one son Emanuel. City Archive of Amsterdam, archive card of Henri Manheim.
In addition, a Jokos file (number 20971) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.