Catharina Zwartverwer was a daughter of Emanuel Zwartverwer and Reichl Strus. She married in Amsterdam on 21 July 1937 to Icyk Ber Fuks from Czestochowa.
Four brothers, who have been killed also during the Holocaust were Samuel, Abram Sija who lived in Apeldoorn and the still at home living Raphael and Louis.
City Archive of Amsterdam, archive card of Catharina Zwartverwer.
Biography