Susanna Kusherow was a daughter of Abraham Kusherow and Lina Quasfer. She married Samuel Cohen in 1912 in Amsterdam. He passed away in 1922. They had three children, the here mentioned Rozetta and Elsa and a child that survived the war.
Stadsarchief Amsterdam, archiefkaart Susanna Kusherow;
USC Shoah Foundation, USC-SF nr. 09128 (interview Lina Con)
Biography