William fitz Robert, 2nd Earl of Gloucester
1116 - 1183 (67 years)(
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- 1 William fitz Robert, 2nd Earl of Gloucester b. 23 Nov 1116 d. 23 Nov 1183
- Hawise de Beaumont d. 24 Apr 1197
- 2 Isabella de Clare, Countess of Gloucester b. Bef 1176 d. 14 Oct 1217
- + Geoffrey de Mandeville, 4th Earl of Essex d. 23 Feb 1215/16
- + Geoffrey de Mandeville, 4th Earl of Essex d. 23 Feb 1215/16
- 2 Amice FitzWilliam, 4th Countess of Gloucester b. Abt 1160 d. 1220
- Richard de Clare, 3rd Earl of Hertford 4th Earl of Gloucester jure uxoris b. Abt 1153 d. 1217
- 3 Gilbert de Clare, 4th Earl of Hertford 5th Earl of Gloucester b. 1180 d. 25 Oct 1230
- Isabel Marshal b. 09 Oct 1200 d. 17 Jan 1239/40
- 4 Richard de Clare, 5th Earl of Hertford 6th Earl of Gloucester b. 04 Aug 1222 d. 14 Jul 1262
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- 4 Richard de Clare, 5th Earl of Hertford 6th Earl of Gloucester
- 3 Gilbert de Clare, 4th Earl of Hertford 5th Earl of Gloucester
- 2 Isabella de Clare, Countess of Gloucester