 | Sir Gilbert de Umfreville (1245-1307) 
|
 | Elizabeth Comyn (1248-1329)
|
| Sir Robert Lumley (1272-1308)
|
| Mary FitzMarmaduke (1273- )
|
| 8th Earl of Angus Sir Robert de Umfreville (1277-1325)
|
| Eleanor Lumley (1297-1368)
|
| Sir Thomas de Umfreville (1329-1387)  |
