Complex sentence: He died on 10 October 1144 during a second invasion with his brother of the Papal territory, this time in Latium against Pope Lucius II, where they marched on Rieti and Amitenno.
Split into simpler sentences: He died on 10 October 1144 during a second invasion with his brother of the Papal territory. This time in Latium, against Pope Lucius II, where they marched on Rieti and Amitenno.