| | MauriceIII deBerkeley 1271–1326 | | | | ThomasII deBerkeley …–1321 | | | | MauriceII Lord of Berkeley 1218–1281 | | | | Thomas deBerkeley 1170–1243 | | |
| |
|
| | | WilliamIII deFerrers Earl of Derby …–1253 Margaret deQuincy …–AD 1280/81 | | | | WilliamII deFerrers Earl of Derby 1162–… Agnes deMeschines 1174–1247 | | |
| |
|
|
|
| | | | | | | | | | | | Aubrey FitzRichard …–1213 | | |
|
|
|
|
|
|