Vrouwtje Hekster was a daughter of Fredrik Simon Hekster from Steenwijkerwold and Debora Gassan from Amsterdam. She married Mozes Keizer 30 November 1898 in Amsterdam, a son of the parish clerk Levie Keizer and Hanna Engelsman. The couple had two children, namely Debora in 1899 and Levie in 1900.
After their marriage, Vrouwtje and Mozes lived at Weesperstraa 35 but moved 2 January 1900 to Nieuwe K…