Born ‎19-4-1912 Laasphe, died ‎9- jul 1943 Sobibor-Biala Podleska, Poland‎, 30 or 31 years

Born ‎27-4-1911 The Hague, Netherland, died ‎9- jul 1943 Sobibor-Biala Podleska, Poland‎, 31 or 32 years. Son of Leon Koekoek - de Haan and Judith van Meer - van Baaren‏