Gilbert de Clare 1
- Born: Cir 1180
- Marriage: Lady Isabella Marshal on 9 Oct 1217 in Tewkesbury Abbey, Tewkesbury, Gloucestershire, England
- Died: 25 Oct 1230 aged 50
Noted events in his life were:
• He was an Earl of Gloucester, 4th, and 5th Earl of Hertford.
Gilbert married Lady Isabella Marshal, daughter of William Marshal and Isabella de Clare, on 9 Oct 1217 in Tewkesbury Abbey, Tewkesbury, Gloucestershire, England. (Lady Isabella Marshal was born on 9 Oct 1200 in Pembroke Castle, Pembroke, Pembrokeshire, Wales and died on 17 Jan 1240 in Berkhamsted Castle, Hertfordshire, England.) The cause of her death was jaundice contracted while in childbirth.
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