| YEAR | DATE | EVENT | HEAD OF STATE |
| 1290 | Count of Count of Nassau-Beilstein | ||
| 1328 | Count of Count of Nassau-Siegen | ||
| 1416 | dinasty Nassau | earl John II | |
| 1443 | earl John IV | ||
| 1475 | earl John V | ||
| 1516 | earl Enrico III | ||
| 1538 | earl Renato prince of Orange | ||
| 1544 | earl John VI earl of Siegen | ||
| 1605 | earl Guglielmo Ludovico | ||
| 1620 | earl Giorgio | ||
| 1623 | earl Ludovico Enrico | ||
| 1652 | Principality | prince Ludovico Enrico | |
| 1662 | prince Enrico | ||
| 1701 | prince Guglielmo | ||
| 1724 | prince Cristiano | ||
| 1739 | Union to Principality of Nassau-Diez |