Otto II, Marquess of Montferrat
Otto II (also Otho, Ottone, or Oddone) (c. 1015 – 20 November 1084) was the fourth Margrave of Montferrat from 1042 until his death. He was a member of the Aleramid dynasty.
Otto was the son and successor of William III and Waza. After his father's death in 1042, Otto ruled the March of Montferrat alongside his younger brother, Henry of Montferrat until Henry's death, c.1045. Thereafter, Otto ruled alone until his own death in 1084.
- Schwennicke, Detlev. Europäische Stammtafeln: Stammtafeln zur Geschichte der Europäischen Staaten. Marburg: Verlag von J. A. Stargardt, 1978. (in German)
- Cawley, Charles, Medieval Lands Project on Otto II of Montferrat, Medieval Lands database, Foundation for Medieval Genealogy
- Oddone II at Marchesi Monferrato (in Italian)
- Otto II, Margraf von Montferrat (1042-1084) (in German)
| Margrave of Montferrat