| YEAR | DATE | EVENT | EARL |
| 1194 | Count - dinasty Wigerich | Hartmann I | |
| 1239 | Corrado | ||
| 1265 | Hartmann II | ||
| 1280 | Hartmann III | ||
| 1284 | Corrado III | ||
| 1292 | Corrado II | ||
| 1300 | Eberardo I | ||
| 1323 | Eberardo II | ||
| 1340 | Corrado IV | ||
| 1343 | Eberardo III | ||
| 1368 | Corrado VI | ||
| 1374 | Eberardo IV | ||
| 1378 | Ludovico I | ||
| 1398 | Eberardo VI | ||
| 1444 | Union to Duchy of Wurttemberg |