The name Robert is an ancient Germanic given name, from Proto-Germanic *Hrōþi- "fame" and *berhta- "bright" (Hrōþiberhtaz). Compare Old Dutch Robrecht and Old High German Hrodebert. It is the second most frequently used given name of ancient Germanic origin. It is also in use as a surname. Another commonly used form of the name is Rupert.
King Robert I of Scotland, national hero of Scotland
Robert I of Normandy a.k.a. Robert the Magnificent
The Norman Conquest was the 11th-century invasion and occupation of England by an army made up of thousands of Norman, French, Flemish, and Breton troops, all led by the Duke of Normandy, later styled William the Conqueror.
13th-century depiction of Rollo (top) and his descendants William I Longsword and Richard I of Normandy
Arrival in England scene from the Bayeux Tapestry, depicting ships grounding and horses landing
Likely depiction of Harold's death from the Bayeux Tapestry
The remains of Baile Hill, the second motte-and-bailey castle built by William the Conqueror in York, on the west bank of the River Ouse