Obizzo III d'Este was the Marquess of Ferrara from 1317 until his death. He initially shared the lordship of Ferrar with his brothers, but ended up as the sole ruler. Obizzo expanded his family possessions by acquiring the cities of Modena and Parma.
- Occupation
- condottiero
- Position held
- Marquess, Marquess, Marquess
- Born
- July 14, 1294
- Died
- March 20, 1352
