Sientje Wilhelmina van Geldere was the eldest daughter in the family of Isodore van Geldere and Eva Nort. She was born on 29 October 1920 in Den Bosch and lived “at home” with her parents and siblings. Her parents moved more than once to other cities in the Netherlands but in the end of May 1933, Sientje and the other family members came to live from Arnhem in Amsterdam. They then lived at Rapenbu…