Gilbert de Clare ("The Red"), Earl
of Hertford and Gloucester Gilbert de Clare ("The Red"), Earl
of Hertford and Gloucester 
born: 2 Sepbember 1243 in
Christchurch, Hamptonshire, England
died: 7 December 1295 at Monmouth Castle
Father: Richard
de Clare, Earl of Hertford and Gloucester
Mother: Maud de Lacy, Countess of Lincoln
Spouse: Joan of
Acre, Princess of England
Married: 30 April 1290 at Westminster Abbey
Children:
1. Margaret de Clare
2. Alianore de Clare
Caerphilly Castle,
built by Gilbert de Clare