Born ‎11-1-1885 Rotterdam, Netherland, died ‎19-10-1942 Auschwitz-Katowice, Poland‎, 56 or 57 years. Son of Abraham van Trommel/ de Groe and Francina de Koning/ Poon‏

Born ‎4- Sep 1891 Rotterdam, Netherland, died ‎19-10-1942 Auschwitz-Katowice, Poland‎, 50 or 51 years, ‎1st marriage to: Salomon van Trommel - de Koning, ‎2nd marriage to: Henri Salomon Maarssen - de Roode. Daughter of Benjamin Simon de Winter - Polak and Sientje Isaac Koster‏