Sina Bamberger was a daughter of Meijer Mozes Bamberger and Roosje Levie Rozema. She was married to Heiman Sleutelberg and she was the mother of Ghole.
Sina Sleutelberg-Bamberger first lived at the Nieuwstraat, next to her sister Hindrikje (Rika) Bamberger. Later she moved in with the family of her sister Ghole.
In 1943 Sina Sleutelberg-Bamberger was transported to Westerbork by ambulance.