Memories of my great-grandfather's time as Polish soldier and POW

My great-grandfather Józef Szybkowski, born in the village of Daszyna, Łódź province, Poland in 1914, was called up to the army in 1938 and was assigned to a machine-gun company in the 37th Infantry Regiment, based in the city of Kutno. During the German invasion of September 1939, his regiment participated in the Battle of the Bzura River (otherwise known as the Battle of Kutno). The regiment suffered heavy losses and on the 18 September my great-grandfather was among some of the last survivors that surrendered to the Germans in the village of Iłów. Afterwards, he was sent to Germany and incarcerated at Stalag XA in Schleswig-Holstein until 1941, when he was assigned to a working party on a farm in Handewittfeld. On this farm, he was, according to his testimony, treated quite well by the German family that he worked for. In 1943, he met my great-grandmother Antonia Jeremenko, a young Ukrainian deported from her home to work on the farm, and struck up a relationship. In 1944, their first child was born, and, shortly before the end of the war, they were transferred to a holding camp in the city of Flensburg, where they were liberated by British forces in 1945. Soon after, they were married at the local registry office. Unwilling to return to Communist-controlled Poland, Józef served with the British Army of the Rhine until 1950, when he and the family were re-settled to Victoria, Australia where he found work as a farmhand, eventually settling in the town of Koo Wee Rup, where he passed away in 1990.