Pope: the rulers on the tree
12 holders of the title Pope on the tree, 996–1605, from Medici (4), Borgia (2), della Rovere (2), Salians (1), Ivrea (1), Visconti (1). The list is the one on this tree, not a complete one: some reigns are not recorded in Wikidata.
| 996–999 | Gregory V | Salians |
| 1119–1124 | Callixtus II | Ivrea |
| 1271–1276 | Gregory X | Visconti |
| 1455–1458 | Callixtus III | Borgia |
| 1471–1484 | Sixtus IV | della Rovere |
| 1492–1503 | Alexander VI | Borgia |
| 1503–1513 | Julius II | della Rovere |
| 1513–1521 | Leo X | Medici |
| 1523–1534 | Clement VII | Medici |
| 1534–1549 | Paul III | Farnese |
| 1560–1565 | Pius IV | Medici |
| 1605–1605 | Leo XI | Medici |