Person

William Marshal, 1st Earl of Pembroke

c. 1146–1219 · 12th century · Also known as William Marshal

William Marshal was an English knight who served four Angevin kings and became famous as a tournament champion. His marriage to the heiress Isabel de Clare in 1189 brought him Pembroke and the lordship of Leinster, where he founded towns such as New Ross. From 1216 he was regent for the young Henry III.

William Marshal, 1st Earl of Pembroke
Image: -JvL- · CC BY 2.0 · Wikimedia Commons

Mentioned in 2 state histories

County Palatine of PembrokeLordship of Leinster

See also

Cite this entry
APA
The Epoch Institute. (2026). William Marshal, 1st Earl of Pembroke. In The Epoch Institute Encyclopedia. https://the-epoch-institute.org/encyclopedia/william-marshal-1st-earl-of-pembroke
MLA
“William Marshal, 1st Earl of Pembroke.” The Epoch Institute Encyclopedia, The Epoch Institute, 2026, https://the-epoch-institute.org/encyclopedia/william-marshal-1st-earl-of-pembroke. Accessed .
Chicago
The Epoch Institute. “William Marshal, 1st Earl of Pembroke.” The Epoch Institute Encyclopedia. 2026. https://the-epoch-institute.org/encyclopedia/william-marshal-1st-earl-of-pembroke.
Harvard
The Epoch Institute (2026) ‘William Marshal, 1st Earl of Pembroke’, The Epoch Institute Encyclopedia. Available at: https://the-epoch-institute.org/encyclopedia/william-marshal-1st-earl-of-pembroke (Accessed: ).

Last reviewed October 2026Random entry ↻