Willem Vos was a son of Leendert Vos and Esther Porcelijn. He was born in Amsterdam on 21 January 1917. His registration in the Militairy Register of 4 May 1936 showed that he had obtained his 4-year MULO diploma, was suitable as a regular conscript for military service and his wish was to be assigned to the infantry in Amersfoort. As a profession, it was noted that he was a traveller in gas and w…