| YEAR | DATE | EVENT | EARL |
| 1124 | Count - dinasty Sponheim | Federico I | |
| 1152 | Federico II | ||
| 1187 | Federico III | ||
| 1200 | Enrico I markgraft of Namur | ||
| 1252 | Filippo I | ||
| 1273 | Goffredo I | ||
| 1310 | Filippo II | ||
| 1316 | Enrico II | ||
| 1337 | Ludovico | ||
| 1343 | earles Maria | ||
| 1400 | Simone III | ||
| 1414 | Union to Count of Mark | ||
| 1918 | 9 november | Union to German State of Westfalia |