Jozef de Vries – always called Jonny - was a son of the butcher Siegmund de Vries and Rosette Marianne van Geldere. He was born on 20 March 1941 in Rotterdam and lived with his parents at the Crooswijkscheweg 161b in de district Crooswijk of Rotterdam.
His parents were married on 29 May 1940 in Rotterdam: Jonny’s mother, Rosette Marianna van Geldere was born on 3 August 1917 as a daughter of Salo…