Roosje Busnach was a daughter of David Busnach and Saartje Abraham Baars. She married Gerrit Erwteman in 1895 in Zaandam. He passed away in 1932. They had two children: Jacobus and a child that survived the war.
Stadsarchief Amsterdam, archiefkaart Roosje Busnach
In addition, a Jokos file (number 37242) on this person is at the Amsterdam Municipal Archive. Access is subject to authorization from …