David Oudkerk, born on 10 January 1889 in Den Helder, lived there for quite some time with his parents at Keizersstraat 67. David earned his living as a merchant and shop manager, and stayed in various places. On 22 December 1915, he left Den Helder for Meppel and worked as a shop assistant with A. Keizer at Hoofdstraat 22, and two years later, on 25 September 1917, he left Meppel for Amsterdam.
…