| Male Robert de Roos |
| Birth | Abt 1170 | |
| Death | 1227 | |
| Burial | ||
| Marriage | 1191 [1] | Haddington, East Lothian, Scotland [1] |
| Father | ||
| Mother | ||
| Female Isabel MacWilliam |
| Birth | ||
| Death | ||
| Burial | ||
| Father | William I, King of Scots William | F1387 Group Sheet | |
| Mother | Isabel d'Avenel | F1387 Group Sheet | |
| Male Sir William de Roos, of Helmesley |
| Birth | Bef 1200 | |
| Death | Between 1258 and 1264 | |
| Burial | ||
| Spouse | Lucy FitzPeter | F1383 | |
| Marriage | Bef 24 Jan 1234 | |
| Sources |
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