| Sir John "le jeon" Comyn, of Ulceby |
| Sir John "le jeon" Comyn, of Ulceby | |
| B: | Abt 1270 |
| D: | Bef 1321 |
| Alice de Roos |
| Alice de Roos | |
| D: | Abt Apr 1286 |
| Sir John "The Red No. 1" Comyn, of Badenoch | |
| M: | Abt 1260 |
| D: | Abt Jul 1278 |
| Sir William de Roos, of Helmesley |
| Sir William de Roos, of Helmesley | |
| B: | Bef 1200 |
| D: | Between 1258 and 1264 |
| Lucy FitzPeter |
| Lucy FitzPeter | |
| M: | Bef 24 Jan 1234 |
| D: | 1266 |
| Robert de Roos |
| Robert de Roos | |
| B: | Abt 1170 |
| D: | 1227 |
| Isabel MacWilliam | |
| M: | 1191 |
| Haddington, East Lothian, Scotland | |