Leentje Boas was a daughter of Joseph Boas and Roosje Haamerslag. Joseph Boas passed away on 30 May 1937 and was interred in the Jewish Cemetery in Diemen on 1 June 1937.
Leentje Boas had an elder sister Kitty, who was married to Joseph Büschel.
City Archive of Amsterdam, archive card of Leentje Bo…
In addition, a Jokos file (number 16501) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.