Rebecca Cosman was married to Marcus Blog. The couple divorced in 1927. They had five children: 476292, 448248, 448246 and 448245. One child survived the war.
City Archive of Amsterdam, card Marcus Blog/ city Archive Archief Rotterdam
In addition, a Jokos file (number 31350) on this person is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.
Biography