 Jacob van Cleef - CorperBorn 13-6-1895 Amsterdam, Netherland, died 29-8-1942 missing in holocaust, 46 or 47 years. Son of Levie van Cleef and Betje Corper Married to:  Antoinette Cohen - CorperBorn 13-6-1895 Amsterdam, Netherland, died 3-12-1942 Auschwitz-Katowice, Poland, 46 or 47 years. Daughter of Philip Cohen and Esther Corper | |