Born ‎7- Aug 1887 Zutphen, Netherland, died ‎21-1-1943 Auschwitz-Katowice, Poland‎, 55 or 56 years. Son of Robert Isaac and Sara Kirschbaum‏

Born ‎25-10-1892 Eindhoven, Netherland‎, ‎1st marriage to: Herschel Barmat - Pechowitsch, ‎2nd marriage to: Lionel Isaac - Kirschbaum. Daughter of Lowie Jacob de Winter - Bloemendaal and Sara Levie van Emden - van den Berg‏