 Simon Israel Kolthoff - ScheppBorn 5- mar 1898 Rotterdam, Netherland, died 11-6-1943 Sobibor-Biala Podleska, Poland, 44 or 45 years. Son of Israel Kolthoff and Eva Schepp Marriage/ Related to:  Helena Roosje Hakkert - KaufmannBorn 21-1-1896 Vreeswijk, Netherland, died 11-6-1943 Sobibor-Biala Podleska, Poland, 46 or 47 years. Daughter of Asser Jacob Hakkert - Oppenheimer and Bertha Kaufmann - Levy | |||