Lord of Ireland: the rulers on the tree
15 holders of the title Lord of Ireland on the tree, 1171–1542, from Plantagenet (6), Lancaster (3), York (3), Tudor (2), Normandy (1). The list is the one on this tree, not a complete one: some reigns are not recorded in Wikidata.
| 1171–1189 | Henry II of England | Normandy |
| 1199–1216 | John, King of England | Plantagenet |
| 1216–1272 | Henry III of England | Plantagenet |
| 1272–1307 | Edward I of England | Plantagenet |
| 1307–1327 | Edward II of England | Plantagenet |
| 1327–1377 | Edward III of England | Plantagenet |
| 1377–1399 | Richard II of England | Plantagenet |
| 1399–1413 | Henry IV of England | Lancaster |
| 1413–1422 | Henry V of England | Lancaster |
| 1422–1471 | Henry VI of England | Lancaster |
| 1461–1483 | Edward IV of England | York |
| 1483–1483 | Edward V of England | York |
| 1483–1485 | Richard III of England | York |
| 1485–1509 | Henry VII of England | Tudor |
| 1509–1542 | Henry VIII of England | Tudor |