Gilbert de Clare, 5th Earl of Gloucester

Gilbert de Clare, 4th Earl of Hertford, 5th Earl of Gloucester, 1st Lord of Glamorgan, 7th Lord of Clare (1180 – 25 October 1230) was the son of

Life

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In 1215, Gilbert and his father were two of the barons made

In 1223, he accompanied his brother-in-law, Earl Marshal, in an expedition into Wales. In 1225 he was present at the confirmation of 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 own arms were: Or, three chevronels gules.

Issue

Gilbert de Clare had six children by his wife

• 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)
• Robert de Brus, 5th Lord of Annandale
• William de Clare (1228–1258)
• Gilbert de Clare (b. 1229)
• Petronilla de Clare, of Instow, Devon (b. abt. 1230 - 1320) Abbess of Canonleigh Abbey, Devon (1318). She married John St. John d. 1303, of Ashleigh, Devon, the younger brother of Roger St. John d. 1265 of Stanton-St. John and elder half-brother of John Despenser. They acquired his brothers' lands (Stanton-St. John, Lageham, Swallowfield) after their rebellion and their lands were confiscated following the Battle of Evesham. This John St. John held Instow, Devon, by way of his wife for the Honour of Gloucester.

His widow Isabel later married the King of the Romans & Earl of Cornwall,

• 
  Gilbert's de Clare's coat of arms
• 
  Arms used by Gilbert de Clare, as heir to the earldom of Hertford, and at the sealing of Magna Carta

Footnotes

References

• Ancestral Roots of Certain American Colonists Who Came to America Before 1700 by Frederick Lewis Weis, Lines: 54–30, 63–28, 63–29