Gilbert de Clare, 5th Earl of Gloucester
|Gilbert de Clare, 4th Earl of Hertford
5th (or 1st) Earl of Gloucester
Gilbert de Clare, adapted from Tewkesbury Abbey stained glass window
|Father||Richard de Clare, 3rd Earl of Hertford|
|Mother||Amice Fitz William|
Hertford, Hertfordshire, England
|Died||25 October 1230
Penrose, Brittany, France
Gilbert de Clare, 4th Earl of Hertford, 5th Earl of Gloucester (1180 – 25 October 1230) was the son of Richard de Clare, 3rd Earl of Hertford (c. 1153–1217), from whom he inherited the Clare estates. He also inherited from his mother, Amice Fitz William, the estates of Gloucester and the honour of St. Hilary, and from Rohese, an ancestor, the moiety of the Giffard estates. In June 1202, he was entrusted with the lands of Harfleur and Montrevillers.
In 1215 Gilbert and his father were two of the barons made Magna Carta sureties and championed Louis "le Dauphin" of France in the First Barons' War, fighting at Lincoln under the baronial banner. He was taken prisoner in 1217 by William Marshal, whose daughter Isabel he later married on 9 October, her 17th birthday.
In 1223 he accompanied his brother-in-law, Earl Marshal, in an expedition into Wales. In 1225 he was present at the confirmation of the Magna Carta by Henry III. In 1228 he led an army against the Welsh, capturing Morgan Gam, who was released the next year. He then joined in an expedition to Brittany, but died on his way back to Penrose in that duchy. His body was conveyed home by way of Plymouth and Cranborne to Tewkesbury. His widow Isabel later married Richard Plantagenet, Earl of Cornwall & King of the Romans. His own arms were: Or, three chevronels gules.
- Agnes de Clare (b. 1218)
- Amice de Clare (1220–1287), who married Baldwin de Redvers, 6th Earl of Devon
- Richard de Clare, 6th Earl of Gloucester (1222–1262)
- Isabel de Clare (1226–1264), who married Robert de Brus, 5th Lord of Annandale
- William de Clare (1228–1258)
- Gilbert de Clare (b. 1229)
- Ancestral Roots of Certain American Colonists Who Came to America Before 1700 by Frederick Lewis Weis, Lines: 54-30, 63-28, 63-29
|Peerage of England|
Richard de Clare
|Earl of Hertford
Richard de Clare
|New creation||Earl of Gloucester