 Gerrit WalvisBorn 1- Jul 1882 Amsterdam, Netherland, died 12-10-1942 Auschwitz-Biala Podleska, Poland, 59 or 60 years Married to:  Branca van Praag/ KoBorn 10-9-1891 Amsterdam, Netherland, died 5-10-1942 Auschwitz-Biala Podleska, Poland, 50 or 51 years. Daughter of Abraham van Praag - Asser and Lena Kok - Wagenhuizen | |