| Richard, Magna Charta Surety, de Clare 3rd or 6th Earl of Clare, Earl of Hertford (~1153 - <1217) |
William Marshal Knt., 4th Earl of Pembroke, etc. (1146 - 1219) |
| Amicia/Amice fitz Robert Countess of Gloucester (1160 - 1225) |
Isabel fitz Gilbert de Clare (~1172 - 1220) |
| Gilbert de Clare 5th Earl of Hertford, of Gloucester, 4th Earl of Gloucester | Isabel Marshal |
| b. abt 1180, Hertford, Hertfordshire, England d. 25 Oct 1230, Penrose, Brittany, France bur. 10 Nov 1230, Tewksbury, Gloucestershire, England occ. cen. im. . ud. |
b. 9 Oct 1200, Pembroke Castle, Pembroke, Pembrokeshire, Wales d. 17 Jan 1239/1240, Birkhampstead, Hertfordshire, England bur. Beaulieu Abbey, Beaulieu, Southampton, England occ. cen. im. . ud. |
| Spouses: 1, 2 |
| Amicia de Clare Avice (Avicia) de Clare Richard de Clare Knt., 5th Earl of Hertford, etc. Isabel de Clare |