Gilbert de Clare, 5th Earl of Gloucester
Earl of Hertford
Gilbert de Clare, 4th Earl of Hertford, 5th Earl of Gloucester, 1st Lord of Glamorgan, 7th Lord of Clare was the son of Richard de Clare, 3rd Earl of Hertford, from whom he inherited the Clare estates. Wikipedia
Born: October 25, 1180, Hertford, United Kingdom
Died: October 25, 1230 (age 50 years), Brittany
Grandparents: Roger de Clare, 2nd Earl of Hertford and Maud de St. Hilary
Spouse: Isabel Marshal (m. 1217)