William "The Conqueror"# Normandy 6th Duke of Normandy, King William I of England

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He ruled as the Duke of Normandy from 1035 to 1087 and as King of England from 1066 to 1087. As Duke of Normandy, William was known as William II, and, as King of England, as William I. He is commonly referred to as William the Conqueror (Guillaume le Conquérant) or William the Bastard (Guillaume le Bâtard).
In support of his claim to the English crown, William invaded England in 1066 , leading an army of Normans to victory over the Anglo-Saxon forces of Harold Godwinson at the Battle of Hastings , and suppressed subsequent English revolts in what has become known as the Norman Conquest .
His reign brought Norman culture to England, which had an enormous impact on the subsequent course of England in the Middle Ages . In addition to political changes, his reign also saw changes to English law , a programme of building and fortification, changes in the English language and the introduction of continental European feudalism into England.

William married Matilda#. (Matilda# died in 1083.)