Emanuel Herman Oudkerk, the son of Heiman Oudkerk and Helena Sondervan, was born on 1 January 1918 in Amsterdam. He was employed as office clerk at the State Office for Skins and Leather. At the age of 22, he married in Amsterdam the non-Jewish Silvia Mignon Breedt, who was born on 12 December 1916 as the daughter of Jan Wilhelm Pieter Breedt and Marie Louise van Wijhe in Batavia (Dutch East Indie…