Maurice Joost Son was the eldest of the three children of Joseph Mozes Son and Hermine Fischer. He was born on 18 June 1905 in Breda and was a dentist by profession. On 30 August 1933 he married Edith Hirsch in Rotterdam, who was born in the German city of Linz on 29 October 1908 as a daughter of Heribert Hirsch and Sophie Gottschalk. The couple had two children: Anita Jos in 1936 and Joost Mauric…