Task: Text Categorization
Input (English): With Himiltrude, this ruler produced a son with a hunchback that rebelled against his father and was subsequently confined to a monastery. He was married at one point to a daughter of the king of Desiderius, before he defeated him, thus assisting Pope Adrian I. A military incident involving this ruler involved this ruler being appeased by Husayn of Zaragoza, then afterwards being ambushed in Ronceveaux Pass in the Pyrenees. This man declare himself King of the Lombards after he defeated them at Pavia. His biographer was Einhard, and he ruled for a time with Carloman. For ten points, name this first Holy Roman Emperor, a son of Peppin the Short that is the namesake of the Carolingian Dynasty.
Output (English): History