. . "Gilbert de Clare, 4th Earl of Hertford, 5th Earl of Gloucester" . . . . "Gilbert de Clare" . . . . "1st Lord of Glamorgan" . "4th Earl of Hertford" . "Gilbert
de Clare" . . . . "Gilbert de Clare, 4th Earl of Hertford and 5th Earl of Gloucester" . . . . . . . . "Earl of Gloucester" . . "Gilbert de Clare, 5th Earl of Gloucester" . . "1230-10-25" . . "1217" . . "1230" . . . . . . . . . . . "Gilbert de Clare, Earl of Gloucester and Hertford" . . . . . "5th Earl of Gloucester" . . "Gilbert de Clare, 5th Earl of Gloucester" . . . . . . .