Jacob Heijmans was a son of Israel Meijer Heijmans and Dina Goldsmit. He was the widower of Rosalie Herzfeld, who was born in Dortmund (Germany) on 12 February 1862 and passed away on 3 January 1936, aged 73. The couple had twe sons: Julius and Herman, who both have been deceased before the war.
website www.wiewaswie.nl, Civil Registry of Apeldoorn, certificate of death of Jacob Heijmans, and City Archive of Rotterdam, family registration card of Jacob Heijmans.
In October 1941, an obituary was placed in Het Joodsche Weekblad for Jacob Heijmans. He was the widower of Rosalie Herzfeld.
Het Joodsche Weekblad, 24 October 1941, 14
The funeral records at the Jewish cemetery in Rotterdam reveal that Jacob Heijmans was buried there.