Jules Loszynski was a son of Simon Loszynski and Amalia Manasse. On 26 August 1937 he married in Berlin Ruth Beatrice Brandel Reich, a daugher of Baruch Marcus Reich and Herta Neumann. The couple had no children.
Since June 1938 Jules Loszynski and his wife resided in Amsterdam at various addresses; he and his wife Ruth were registered at Bieschboschstraat 56 II on 23 June 1938; they moved to Deurlostraat 88 III on 3 January 1940 and they were registered at Slaakstraat 8 II on 13 July 1940. Afterwards, the couple still moved two times: on 28 January 1942 their addres was Krammerstraat 4 I and their last known address per 3 September 1943 was Reitzstraat 23 I.
On 4 November 1943, Jules Loszynski was registered in Camp Westerbork, together with his wife Ruth.They stayed in barack 62 and were both “gesperrt” (safeguarded from deportation) “because of function spouse”. In 1940 he was a correspondent and office clerk at the office of the Jewish Council, branch Oude Schans in Amsterdam in the departments of information, travel- and residence permits. His pre-education was HBS (college) and Jules had a rather varied technical background, among it mechanical engeneering, technical drawing, parachute maker, fitter but had also succeeded a course as gymnastics teacher.
In Camp Westerbork, Jules and Ruth were both listed on the so called 2nd list of veterans but still deported on 11 January 1944 to Bergen Belsen. Jules Loszynski eventually lost his life there on 3 December 1944. His wife Ruth survived the horrors of Bergen Belsen and she was enabled to return to Amsterdam. She arrived there on 14 September 1945 at Stadhouderskade 51, on 30 October she moved to Sluisstraat 53 and per 28 October 1947 to Rooseveltlaan 135 III. In 1948 she remarried Hugo Emanuel Weil, who also survived the Shoah, but who had lost his wife Hedwig Maijer in Auschwitz.
City Archive of Amsterdam, archive cards of Jules Loszynski, Ruth Reichm, Hedwig Maijer, and Hugo Emanuel Weil and the file cabinet of the Jewish Council, registration cards of Jules Loszynski and Ruth Reich.