Four or more generations of descendants of William I of Scotland (c1142-1214) if they are properly linked:
1. William I of Scotland (c1142-1214)
- 2. Isabel Avenal (c1170-)
- 3. William de Ros (c1193-c1264)
- 4. Robert de Ros (c1230-1285)
- 4. William de Ros (c1240-)
- 3. Robert de Ros (c1195-)
- 3. William de Ros (c1193-c1264)
- 2. Margaret of Scotland (c1170-c1226)
- 3. William de Vesci
- 3. Christiana de Vesci
- 2. Ada of Scotland (c1164-1200)
- 3. Patrick II, 5th Earl of Dunbar (1185-1249)
- 4. Patrick III, 7th Earl of Dunbar (c1213-1289)
- 5. Patrick IV, 8th Earl of Dunbar (1242-1308) ... (more)
- 5. John de Dunbar ... (more)
- 5. Alexander de Dunbar ... (more)
- 5. Agnes de Dunbar (-c1300) ... (more)
- 5. Cecilia de Dunbar (-c1309) ... (more)
- 4. Isabella de Dunbar (c1199-aft1269)
- 4. Patrick III, 7th Earl of Dunbar (c1213-1289)
- 3. William de Dunbar (-c1248)
- 3. Robert de Dunbar
- 3. Fergus de Dunbar
- 3. Patrick II, 5th Earl of Dunbar (1185-1249)
- 2. Robert of Scotland (c1166-)
- 2. Aufrica nic Uilliam of Scotland (-c1169)
- 3. Beatrice de Say (-1197)
- 4. Geoffrey de Mandeville, 2nd Earl of Essex (-1216)
- 4. William de Mandeville, 3rd Earl of Essex (-1227)
- 4. Henry Fitzgeoffrey (-bef1227)
- 4. Maud Fitzgeoffrey (-1236)
- 5. Humphrey de Bohun, 2nd Earl of Hereford (c1208-1275) ... (more)
- 5. Maud de Bohun ... (more)
- 5. Ralph de Bohun ... (more)
- 3. Maud de Say (-1222)
- 4. Joan de Boclande (-c1227)
- 5. Ermetrude de Ferrers (-1257) ... (more)
- 4. Joan de Boclande (-c1227)
- 3. Beatrice de Say (-1197)
- 2. Henry Galightly (c1168-)
- 2. Margaret of Scotland (1193-1259)
- 2. Isabella of Scotland (1195-1253)
- 2. Alexander II of Scotland (1198-1249)
- 3. Alexander III of Scotland (1241-1286)
- 3. Marjory of Dunkeld (?-?)
- 2. Marjorie of Scotland (1200-1244)