Margery De Umfraville
- Yes, date unknownDrag or scroll to see more of the chart.
| William (of Helmsley) 1st Baron De Ros | |
| D: | 15 Aug 1316 |
| Maud De Vaux -Yes, date unknown |
| Maud De Vaux | |
| D: | Yes, date unknown |
| Mary De Ros -Yes, date unknown |
| Mary De Ros | |
| D: | Yes, date unknown |
 | William 1st Lord Brewes -Bef 1290 |
| William 1st Lord Brewes | |
| M: | Bef 1271 |
| D: | Bef 6 Jan 1290 |
| Margaret De Ros -Yes, date unknown |
| Margaret De Ros | |
| D: | Yes, date unknown |
| Henry (Sir) (of Bolton) Le Scrope | |
| D: | 7 Sep 1336 |
| Joan De Ros -1348 |
| Joan De Ros | |
| D: | 13 Oct 1348 |
| John (of Tischmersh) 1st Lord Lovel 1255-1311 |
| John (of Tischmersh) 1st Lord Lovel | |
| B: | 1255 |
| Titchmarsh | |
| D: | Between 1310 and 1311 |
| Isabel De Roos -Yes, date unknown |
| Isabel De Roos | |
| D: | Yes, date unknown |
| Walter (2nd Lord) De Fauconberg | |
| D: | 31 Dec 1318 |
| Isabel (of Belvoir Castle) (De Albini) D'aubigny | |
| D: | 15 Jun 1301 |
| Robert (Sir) (of Belvoir) De Ros | |
| M: | Abt 1243 |
| D: | 17 May 1285 |
| William (Lord of Belvoir) D'aubigny -Yes, date unknown |
| William (Lord of Belvoir) D'aubigny | |
| D: | Yes, date unknown |
| Albreda -Yes, date unknown |
| Albreda | |
| D: | Yes, date unknown |
| Isabel -Yes, date unknown |
| Isabel | |
| D: | Yes, date unknown |
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| Margery De Umfraville -Yes, date unknown |
| Margery De Umfraville | |
| D: | Yes, date unknown |
| William (Lord of Belvoir) D'aubigny | |
| D: | 1236 |