Complex sentence: Ulfeldt and her daughter Leonora sided with Sweden, and Kirsten Munk financed King Charles X of Sweden financially in his invasion and occupation of Denmark: she died during the Swedish occupation, and was given a grand funeral in Odense.
Split into simpler sentences: Ulfeldt and her daughter Leonora sided with Sweden, and Kirsten Munk is alleged to have financed King Charles X of Sweden's invasion and occupation of Denmark. She died during the Swedish occupation, and was given a grand funeral in Odense.