Leonard Vos was the only child of Barend Vos and Naatje Peeper. He was born in Belgium and was unmarried. He worked as a warehouse clerk and as an office clerk. His father Barend Vos already lived in Borgerhout, but left from there to Amsterdam to marry Naatje Peeper on 14 March 1917.
On 30 August 1919 Barend Vos returned from Amsterdam in Antwerp, lived there with his parents in the Provinciestra…