Joan Plantagenet (daughter of EdwardI, King of England and Eleanor of Castile, Countess of Ponthieu) was born 1272 in Acre, Palestine, and died 23 Apr 1307 in Clare, Suffolk, England.She married Gilbert de Clare, Sir on 30 Apr 1290 in Westminster Abbey, London, England. More About Joan Plantagenet and Gilbert de Clare, Sir: Marriage: 30 Apr 1290, Westminster Abbey, London, England.