Otto II, Marquis of Montferrat
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)