Born ‎25-11-1888 Amsterdam, Netherland, died ‎30-4-1943 Sobibor-Biala Podleska, Poland‎, 54 or 55 years. Occupation: Store attendant, office clerk, journalist. Son of Wolf Komkommerman and Dina Koopman‏

Born ‎9- Apr 1889 Amsterdam, Netherland‎, ‎1st marriage to: Isaac Norden - Rijnveld, ‎2nd marriage to: Hijman Komkoomerman - Koopman. Daughter of Israel David (Aap) Davids/ Pachte and Jaantje Mogendorff/ Glase‏