William the Conqueror William the Conqueror William I (c. 1028 – 9 September 1087), usually known as William the Conqueror and sometimes William the Bastard, was the first Norman King of England, reigning from 1066 until his death in 1087. A descendant of Rollo, he was Duke of Normandy from 1035 onward. After a long struggle to establish his power, by 1060 his hold on Normandy was secure, and he launched the Norman conquest of England six years later. The rest of his life was marked by struggles to consolidate his hold over England and his continental lands and by difficulties with his
William II, Duke of Bavaria William II, Duke of Bavaria Duke William II of Bavaria-Straubing KG (5 April 1365—31 May 1417) was also count William IV of Holland, count William VI of Hainaut and count William V of Zeeland. He ruled from 1404 until 1417, when he died from an infection caused by a dog bite. William was a son of Albert I and Margaret of Brieg. William, allied with the Hooks, was in conflict with his father until 1394. In 1404 he succeeded him as Count of Holland, Zeeland and Hainaut and duke of Bavaria-Straubing. In 1408 in the Battle of Othée William and