Nielsen Hayden genealogy
Family: Robert de Brus / Isabel of Huntingdon (F606)
William de Brus ( -1205) 
|
Christian ( -1246)
|
Euphame de Brus ( -1267)  |
| David of Scotland (1152-1219)
|
| Maud of Chester (1171-1233)
|
| Ada of Huntingdon ( -1241) |
| Margaret of Huntingdon ( -1233) |
| Robert de Brus ( -1221)
|
| Isabel of Huntingdon ( -1252)
|
| Robert de Brus (1220-1295) |