| Thomas Berkeley Lord of Berkeley |
|
| Joan de Somery |
| Maurice Berkeley Lord of Berkeley | Isabella FitzRoy |
| b. ca 1218, Berkeley d. 4 Apr 1281, Berkeley Castle, Clos . 5th baron by tenure. With the barons against Henry III. |
b. ca 1218, Chilham Castle, kent d. 7 Jul 1277 . Granted manors by her uncle the King. |
| Maurice Berkeley > Thomas II Berkeley Lord Berkeley < Sir Robert Berkeley Simon Berkeley Mawde Berkeley |