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 A…