1034 - 1133 (99 years)
 | 2nd Earl of Pembroke, Lord of Leinster, and Justiciar of Ireland Richard FitzGilbert de Clare 1130-1176 |
| 2nd Earl of Pembroke, Lord of Leinster, and Justiciar of Ireland Richard FitzGilbert de Clare | |
| B: | 21 Sep 1130 |
| Tonbridge, Kent, England | |
| D: | 20 Apr 1176 |
| Pembroke, Pembrokeshire, Wales | |
| Princess of Leinster Aoife 'Eve' MacMurrough | |
| B: | 26 Apr 1145 |
| Ireland | |
| M: | 26 Aug 1171 |
| Waterford County, Ireland | |
| D: | 26 Aug 1188 |
| Waterford, Waterford, Ireland | |
| 1st Earl of Pembroke Gilbert FitzGilbert de Clare | |
| B: | 21 Sep 1100 |
| Tonbridge, Kent, England | |
| D: | 6 Jan 1148 |
 | Isabel de Beaumont 1102-1147 |
| Isabel de Beaumont | |
| B: | 1102 |
| Leicester, Leicestershire, England | |
| M: | 1130 |
| Tonbridge, Kent, England | |
| D: | 6 Jan 1147 |
| Carmarthen, Carmarthenshire, Wales | |
 | Juliana de Vere 1108-1199 |
| Juliana de Vere | |
| B: | 1108 |
| Essex, England | |
| D: | 1199 |
| Thetford, Norfolk, England | |
 | 1st Earl of Norfolk Hugh Bigod 1095-1175 |
| 1st Earl of Norfolk Hugh Bigod | |
| B: | 1095 |
| Norfolk, England | |
| M: | Bef 1144 |
| D: | 6 Mar 1175 |
| Thetford, Norfolk, England | |
 | 1st Earl of Oxford Aubrey de Vere 1115-1194 |
| 1st Earl of Oxford Aubrey de Vere | |
| B: | 1115 |
| Essex, England | |
| D: | 26 Dec 1194 |
| London, England | |
| Countess of Oxford Agnes of Essex Abt 1140-Abt 1200 |
| Countess of Oxford Agnes of Essex | |
| B: | Abt 1140 |
| Rayleigh, Essex, England | |
| M: | 1162 |
| Hatfield Broad Oak, Essex, England | |
| D: | Abt 1200 |
| Oxfordshire, England | |
 | Alice de Clare 1091-1163 |
| Alice de Clare | |
| B: | 1 Jan 1091 |
| Essex, England | |
| D: | 1163 |
| Tendring, Essex, England | |
| Aubrey de Vere, II 1080-1141 |
| Aubrey de Vere, II | |
| B: | 1080 |
| Essex, England | |
| M: | 1108 |
| D: | 15 May 1141 |
| London, England | |
| 2nd Earl of Hertford Roger de Clare 1116-1173 |
| 2nd Earl of Hertford Roger de Clare | |
| B: | 1116 |
| Tonbridge, Kent, England | |
| D: | 1173 |
| Oxfordshire, England | |
| Countess Arundel Matilda 'Maud' de St Hilary | |
| B: | 1132 |
| Walsingham, Norfolk, England | |
| M: | 1153 |
| Norfolk, England | |
| D: | 24 Dec 1193 |
| Buckenham, Norfolk, England | |
| Lord of Clare, Lord of Tonbridge, and Lord of Cardigan Richard FitzGilbert de Clare | |
| B: | 1094 |
| Hertford, Hertfordshire, England | |
| D: | 15 Apr 1136 |
| Abergavenny, Monmouthshire, Wales | |
 | Alice de Meschines 'Adeliza' de Gernon 1094-1128 |
| Alice de Meschines 'Adeliza' de Gernon | |
| B: | 1094 |
| Hertford, Hertfordshire, England | |
| M: | 1115 |
| Livry, Calvados, Basse-Normandie, France | |
| D: | 1128 |
| Abergavenny, Monmouthshire, Wales | |
| Lord of Clare and Tunbridge Gilbert FitzRichard de Clare, II | |
| B: | Abt 1065 |
| Clare, Suffolk, England | |
| D: | 17 Nov 1114 |
| Wales | |
| Adelize 'Alice' de Clermont 1058-1117 |
| Adelize 'Alice' de Clermont | |
| B: | 1058 |
| Northamptonshire, England | |
| M: | Bef 1090 |
| D: | 1117 |
| Clare, Suffolk, England | |
 | Nicholas de Longford 1105-1166 |
| Nicholas de Longford | |
| B: | 1105 |
| England | |
| D: | 1166 |
| England | |
 | Nigel de Toeni 1088-1115 |
| Nigel de Toeni | |
| B: | 1088 |
| England | |
| D: | 1115 |
| England | |
| Lord of Stafford Robert de Toeni 1040-1088 |
| Lord of Stafford Robert de Toeni | |
| B: | 1040 |
| France | |
| D: | 1088 |
| England | |
| Rohese Giffard 1034-1133 |
| Rohese Giffard | |
| B: | 1034 |
| Longueville, Manche, Basse-Normandie, France | |
| D: | 1133 |
| Clare, Suffolk, England | |
| Lord of Clare, Bienfaite, Orbec and Tonbridge Richard FitzGilbert | |
| B: | 1035 |
| Bienfait, Somme, Picardie, France | |
| M: | 1054 |
| D: | 1090 |
| St. Neots, Huntingdonshire, England | |
We make every effort to document our research. There is a lot of information that I do not have, and I know there are mistakes in this tree. My feelings will not be hurt if you give me corrections or additional information, especially if you can provide sources for the information.
