Heiman van Hessen was a son of Bernard van Hessen and Frouwke van Dam. He married Clara Bloch on 11 Febuary 1909 in Amsterdam, daughter of Israel Bloch and Sara Maria Keizer. The couple had two sons, of whom Bernard did not survive the Holocaust.
Addition of a visitor of the website and website www.wiewaswie and City Archive of Amsterdam, archive cards of Heiman van Hessen and Clara Bloch.