Complex sentence: In January 1945 Gille, as leader of the IV SS Panzer Korps comprising the Totenkopf and Wiking divisions was sent to Hungary to attempt to relieve the encircled city of Budapest, however his troops were unable to break through to the city.
Split into simpler sentences: In January 1945 Gille, as leader of the IV SS Panzer Korps comprising the Totenkopf and Wiking divisions, was sent to Hungary to attempt to relieve the encircled city of Budapest. However, his troops were unable to break through to the city.