Hendrika Roodenburg was the only daugther from the 1st marriage of her mother Sara Roodenburg, who was married to her cousin Joseph Roodenburg in 1915 in Zaandam, but they divorced already 30 September 1921.
Hendrika stayed with her mother, then at Weesperstraat 55 3rd floor in Amsterdam, where her mother remarried 5 July 1923 Isaac Witmont a son of Michael Witmont from Londen and Betje Jas from Amsterdam. The family moved to Weesperstraat 54 1st floor in 1929.
Hendrika Roodenburg worked as office clerk and she was unmarried when she was taken from her home address to Westerbork 26 May 1943. She had to stay in barrack 61 but was already put on transport to Sobibor on 1 June 1943. On arrival there on 4 June 1943, she was immediately killed.
City Archive of Amsterdam, family registration cards of Joseph Roodenburg and Isaac Witmont; archive cards of Isaac Witmont and Hendrika Roodenburg and the file cabinet of the Jewish Council, registration card of Hendrika Roodenburg.