 | 6th Baron Mowbray Roger de Mowbray (1220-1266) 
|
 | Maud Beauchamp (1229- )
|
| 6th Earl of Gloucester Richard de Clare (1222-1262)
|
| Gilbert de Clare (1243-1295)  |
| 7th Baron Mowbray Roger de Mowbray (1254-1297)
|
| Rose de Clare (1255-1317)
|
| 8th Baron Mowbray John de Mowbray (1286-1322) |
