William I 'the Lion', King of Scotland
Abt 1143 - 1214 (~ 71 years)(Notes: You may have to scroll down or right to see chart.)
| Margaret of Scotland, Countess of Kent | |
| B: | 1193 |
| Haddington, East Lothian, Scotland | |
| D: | 1259 |
| London, England | |
| Isabella of Scotland | |
| B: | 1195 |
| D: | Aft 1253 |
| Roger Bigod, 4th Earl of Norfolk | |
| B: | Abt 1212 |
| D: | Abt 03 Jul 1270 |
| Alexander of Scotland, II | |
| B: | 24 Aug 1198 |
| Haddington, East Lothian, Scotland | |
| D: | 06 Jul 1249 |
| Isle of Kerrera | |
| Marjorie | |
| B: | 1209 |
| D: | 1244 |
| William I 'the Lion', King of Scotland | |
| B: | Abt 1143 |
| D: | 04 Dec 1214 |
| Stirling, Stirlingshire, Scotland | |
| Ermengarde de Beaumont | |
| B: | Abt 1170 |
| D: | 12 Feb 1233/34 |
| Isabel of Scotland | |
| B: | Abt 1170 |
| Robert de Brus, III | |
| D: | Abt 1191 |
| Alexander de Roos | |
| D: | Bef 1306 |
| Robert de Ros,, 1st Baron de Ros | |
| B: | Abt 1213 |
| D: | 13 May 1285 |
| Alice de Roos | |
| D: | Abt 29 Apr 1286 |
| John Comyn | |
| B: | Abt 1215 |
| D: | Between 1273 and 1278 |
| James de Byron | |
| D: | Abt 1300 |
| William de Roos | |
| B: | Bef 1200 |
| D: | Abt 1264 |
| Lucy fitz Peter | |
| D: | Aft 1266 |
| Robert de Roos | |
| D: | Bef 20 Apr 1274 |
| Margaret de Brus | |
| D: | Bef 30 Jan 1306/07 |
| Robert de Roos | |
| D: | Bef Nov 1269 |
| Robert de Roos | |
| B: | Abt 1177 |
| D: | 1227 |