William I [a] ( c. 1028  – 9 September 1087), usually known as William the Conqueror and sometimes William the Bastard,  [b] 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.
R obert 's father died at the priory of Saint-Gervase in Rouen soon after dawn on Thursday 9 September 1087. In late July of that year, William had launched an attack on Mantes but during the fighting had been severely injured.
William I - Death, Legacy, Conqueror: William was taken to the priory of St. Gervais just outside Rouen, where he lay dying for five weeks. He had the assistance of some of his bishops and doctors, and in attendance were his half brother Robert, count of Mortain, and his younger sons, William Rufus and Henry.
In July 1087, while attempting to enforce his claim to Mantes, on the border of Normandy and the French royal demesne, William either suffered a fatal injury during the town’s burning or fell fatally ill. He lay dying in the priory of St. Gervais near Rouen for five weeks before finally expiring on September 9, 1087.
Sosa : 19,608,004. William the Conqueror /Normandy/, William "The Conqueror" /Norman dynasty/, William I "The Conqueror" /Normandy/. Born in 1028 - Château de Falaise, Falaise, Normandy, France. Deceased (SEPT. 9, 1087) - Priory of St Gervase, Rouen, Normandy, France.
During his childhood and adolescence, members of the Norman aristocracy battled each other, both for control of the child duke, and for their own ends. In 1047, William was able to quash a rebellion and begin to establish his authority over the duchy, a process that was not complete until about 1060.
In the islanders' loyal toast, they say, "The Duke of Normandy, our King", or "The King, our Duke", "L'Rouai, nouotre Duc" or "L'Roué, note Du" in Norman(Jèrriaisand Guernésiaisrespectively), or "Le Roi, notre Duc" in Standard French, rather than simply "The King", as is the practice in the United Kingdom.