 Betje van Dam - PerelsBorn 17-2-1898 Amsterdam, Netherland. Daughter of Heiman van Dam - de Vries and Lisette David Perels - Koekenheim Married to:  Adolf Michel Os - van EngersBorn 29-3-1891 Amsterdam, Netherland, died 30-8-1944 Bergen Belsen, 52 or 53 years. Occupation: Bussiness agent. Son of Maurits Os - Barzilaij and Elisabeth van Engers - van Gelderen | |