| YEAR | DATE | EVENT | EARL |
| 1031 | Count - dinasty Looz | Giselberto | |
| 1046 | Emmo | ||
| 1078 | Arnoldo I | ||
| 1135 | Ludovico I | ||
| 1171 | Gerardo II | ||
| 1187 | Ludovico II | ||
| 1218 | Enrico I | ||
| 1223 | Arnoldo II | ||
| 1223 | Arnoldo III | ||
| 1273 | John I | ||
| 1279 | Arnoldo IV | ||
| 1323 | Ludovico V | ||
| 1336 | Union to Count of Vianden |