Person

Robert Curthose

c. 1051–1134 · 12th century · Also known as Robert II, Duke of Normandy

Robert Curthose was the eldest son of William the Conqueror and duke of Normandy from 1087. He took part in the First Crusade, pledging Normandy to his brother William Rufus to pay for it. Returning in 1100, he failed to win the English crown from his younger brother Henry I, who defeated him at Tinchebray in 1106 and kept him prisoner until his death at Cardiff in 1134.

Robert Curthose — Image: Unknown author · Public domain · Wikimedia Commons

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Duchy of NormandyMilitary, Decline, Summary

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Cite this entry

APA: The Epoch Institute. (2026). Robert Curthose. In The Epoch Institute Encyclopedia. https://the-epoch-institute.org/encyclopedia/robert-curthose
MLA: “Robert Curthose.” The Epoch Institute Encyclopedia, The Epoch Institute, 2026, https://the-epoch-institute.org/encyclopedia/robert-curthose. Accessed .
Chicago: The Epoch Institute. “Robert Curthose.” The Epoch Institute Encyclopedia. 2026. https://the-epoch-institute.org/encyclopedia/robert-curthose.
Harvard: The Epoch Institute (2026) ‘Robert Curthose’, The Epoch Institute Encyclopedia. Available at: https://the-epoch-institute.org/encyclopedia/robert-curthose (Accessed: ).

Last reviewed October 2026Random entry ↻