 Bertha van GelderenBorn 11-11-1883 Amsterdam, Netherland, died 28-9-1942 Auschwitz-Katowice, Poland, 58 or 59 years. Daughter of N.N. and Sara van Gelderen Married 31-1-1906 Amsterdam, Netherland (35 or 36 years married) to:  Philip Polak - KeizerBorn 31-1-1879 Leeuwarden, Netherland. Son of Benjamin Polak/ de Leeu and Henriette Keizer\Keijzer/ de leeu | |||