Complex sentence: Caught in the burning church, the Patriotes tried to get out by jumping from the windows, where Jean-Olivier Chénier finally attempted an escape but was swiftly killed to the cry of "Remember Weir!", a reference to George Weir.
Split into simpler sentences: Caught in the burning church, the Patriotes tried to get out by jumping from the windows, where Jean-Olivier Chénier finally attempted an escape. However, he was swiftly killed to the cry of "Remember Weir!", a reference to George Weir.