| | JohnVIII Mautravers …–1348 | | |
| | Milicent deBerkeley …–1322 JohnVII Lord Mautravers 1290–1363 | | |
| | MauriceIII deBerkeley 1271–1326 | | |
| | ThomasII deBerkeley …–1321 | | |
| | MauriceII Lord of Berkeley 1218–1281 | | | | | | | | John Lackland King of England 1166–1216 Isabella Taillefer of Angouleme 1188–1246 | | | | HenryII King of England 1133–1189 Eleanor Duchess of Aquitaine 1122–1204 | | | | GeoffreyV Plantagenet Count of Anjou 1113–1151 Matilda Queen of England 1104–… | | |
| | | WilliamX leJeune Duke of Aquitaine 1099–1137 Eleanor deChastellerault 1103–AD 1129/30 | | |
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| | | | | | | GeoffreyV Plantagenet Count of Anjou 1113–1151 Matilda Queen of England 1104–… | | |
| | | WilliamIII Earl deWarenne 1110–1147 | | |
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| | | Thomas deBerkeley 1170–1243 | | | | Maurice deBerkeley 1120–1190 | | | | Robert FitzHarding …–1170 | | |
| | | RogerIII deBerkeley …–1170 | | | | RogerII deBerkeley …–1131 | | |
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| | | Ralph deSomery Lord Dudley Baron 1151–1210 Margaret FitzGilbert Marshal 1160–1242 | | | | | John FitzGilbert Marshall 1126–1165 | | | | Gilbert Marshal 1075–1130 | | |
| | | Walter FitzEdward deSalisbury The Sheriff 1100–1147 Sibyl deChaworth 1082–1147 | | |
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