Leendert Barmhartigheid was a son of Karel Barmhartigheid and Rachel Franschman. He married in Amsterdam on 29 September 1920 to Esther Vogel, daughter of Isaac Vogel and Trijntje Lubig.
website www.wiewaswie.nl .
In addition, a Jokos file (number 16614) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.