The eldest son of Hijman Oudkerk and Elisabeth Rokkestikker, Meijer Oudkerk was a traveling salesman by profession. He married sales-woman Kaatje Polak on 15 December 1937 in Hilversum, who was born in Arnhem on 2 August 1908 as the daughter of Philipus Polak and Grietje Broers, but lived with her parents in Hilversum.
Meijer Oudkerk lived with his parents at Bilderdijkstraat 69, 1st floor, in Ams…