Born ‎16-1-1884 Amsterdam, Netherland, died ‎2- Feb 1936 Amsterdam, Netherland‎, 51 or 52 years. Occupation: Wholesaler. Son of Barend Jacobson - de Jong and Rebekka Serlui - Jacobs‏

Born ‎24-5-1890 Amsterdam, Netherland, died ‎23-11-1942 Auschwitz-Katowice, Poland‎, 51 or 52 years, ‎1st marriage/ related to: Isaac Jacobson - Serlui, ‎2nd marriage/ related to: Levie Louis de Vries - Trijbetz