Robert FitzHamon, Earl of Gloucester
- Abt 1107( = Descendancy chart to this point, = Expand, = Collapse)
- 1 Robert FitzHamon, Earl of Gloucester d. Abt Mar 1106/07
- Sybil de Montgomery
- 2 Mabel FitzHamon b. Abt 1085 d. 1157
- Robert de Caen, 1st Earl of Gloucester b. Abt 1090 d. 31 Oct 1147
- 3 William fitz Robert, 2nd Earl of Gloucester b. 23 Nov 1116 d. 23 Nov 1183
- Hawise de Beaumont d. 24 Apr 1197
- 4 Isabella de Clare, Countess of Gloucester b. Bef 1176 d. 14 Oct 1217
- 4 Amice FitzWilliam, 4th Countess of Gloucester b. Abt 1160 d. 1220 [ =>]
- Hawise de Beaumont d. 24 Apr 1197
- 3 Robert fitz Robert
- 3 Philip fitz Robert
- 3 Maud FitzRobert d. 29 Jul 1190
- Ranulph de Gernon 4th Earl of Chester b. Bef 1100 d. 16 Dec 1153
- 4 Hugh of Kevelioc 5th Earl of Chester b. Abt 1147 d. 30 Jun 1181 [ =>]
- Ranulph de Gernon 4th Earl of Chester b. Bef 1100 d. 16 Dec 1153
- 3 Richard fitz Robert
- 3 Hamon fitz Robert d. Abt 1158
- 3 Mabel fitz Robert
- 3 Richard fitz Robert, Lord of Creully
- 3 Roger fitz Robert d. 09 Aug 1179
- 3 William fitz Robert, 2nd Earl of Gloucester b. 23 Nov 1116 d. 23 Nov 1183
- Robert de Caen, 1st Earl of Gloucester b. Abt 1090 d. 31 Oct 1147
- 2 Mabel FitzHamon b. Abt 1085 d. 1157
- Sybil de Montgomery