Born ‎5- Apr 1894 Amsterdam, Netherland, died ‎4- Jun 1943 Sobibor-Biala Podleska, Poland‎, 49 years, ‎1st marriage to: Elizabeth Liesje Content - Stodel, ‎2nd marriage/ related to: geertruida Kolthof. Son of Simon Manus Keizer - Karseboom and Hanna Ester Swaap - Noordwal‏