Betje van Gelderen was a daughter of Abraham van Gelderen and Mietje Zilverberg. She was unmarried. When her mother died on 19 April 1931, her father remarried on 7 December 1932 in Amsterdam to Saartje van Gelder. Her father passed away in October 1939.
Betje had four sisters who have survived the war. Her other siblings, Rebekka, Godard, Samuel and Louis have been killed during the Holocaust.
City Archive of Amsterdam, archive card of Betje van Gelderen and Abraham van Gelderen.
Biography