Lena Grajer was a daughter of Bentzel Grajer and Saartje Hes. She married the warehouse clerk Jacob Roos in Amsterdam on 12 July 1931, a son of Hartog Roos and Leentje Kool. The couple had three children: Bernard Hartog (Bennie), Louis (Loetje) and Josef (Jopie). Lena, her husband Jacob and their th…
In addition, a Jokos file (number 6091) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.