 Clara Waterman - van PraagBorn 1- May 1888 Amsterdam, Netherland, died 9- Apr 1943 Sobibor-Biala Podleska, Poland, 54 years. Daughter of Meijer Hartog Waterman - Swaab and Sara van Praag Married to:  Isaac Boas - KoenBorn 13-3-1890 Amsterdam, Netherland. Son of Alexander Boas/ Greb and Rachel Koen | |