Otto I, Count of Savoy

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Otto I
Count of Savoy and Margrave of Turin
Count of Savoy
Reign 1051 or 1056 – c. 1057
Predecessor Amadeus I
Successor Peter I
Spouse(s) Adelaide of Susa
Noble family House of Savoy
Father Humbert I of Savoy
Mother Ancilla of Lenzburg
Born c. 1015
Died c. 1057

Otto (French: Othon; Italian: Oddone; c. 1015 – c. 1057)[1] was count of Savoy from around 1051 until his death. Through marriage to Adelaide, the heiress of Ulric Manfred II, he also administered the march of Susa from around 1046 until his death.


He was a younger son of Humbert the White-Handed and his wife Ancilla of Lenzburg. Through Humbert's service to the German emperors, the family was granted the counties of Maurienne, Aosta and Sapaudia (Savoy), all at the expense of local bishops or archbishops. Otto inherited the family's realms after the death of his brother Amadeus c. 1051.[2]

In 1046, he married Adelaide, heiress of the march of Susa and county of Turin.[3] They had five children:


Through his marriage to Adelaide, Otto obtained extensive possessions in northern Italy. Thereafter, the House of Savoy concentrated their expansion efforts towards Italy instead of north of the Alps as they had done before. Savoy's lands occupied much of modern Savoy and Piedmont, although several other small states could be found between them. In the 1050s, Otto allowed coins to be minted at Aiguebelle. The archbishop of Vienne, Léger, who had sole right of minting in the region, complained to Pope Leo IX, so Otto forbade further coining at Aiguebelle.[5]


  • C.W. Previté-Orton, The Early History of the House of Savoy (1000-1233) (Cambridge, 1912), accessible online at:
  • S. Hellmann, Die Grafen von Savoyen und das Reich: bis zum Ende der staufischen Periode (Innsbruck, 1900), accessible online (but without page numbers) at: Genealogie Mittelalter
  • B. Demotz, Le Comté de Savoie du XIe au XVe siècle: Pouvoir, Château et État au Moyen Âge (Geneva, 2000).
  • G. Sergi, 'Oddone di Moriana-Savoia,' in “Dizionario Biografico degli Italiani” – Volume 79 (2013)

External links[edit]


  1. ^ Hellmann, Grafen, p. 17
  2. ^ Hellmann, Grafen, p. 13
  3. ^ Previté-Orton, Early History, p. 221
  4. ^ Otto is sometimes said to be Bishop Otto III of Asti (r.c.1080-c.1088), but this identification is uncertain. See L. Vergano, Storia di Asti, part I. (Asti, 1951)
  5. ^ Hellmann, Grafen, p. 15; Demotz, Le Comté, p. 24

Otto I, Count of Savoy
Born: 1010 or 1020 Died: c. 1057
Regnal titles
Preceded by
Amadeus I
Count of Savoy
1051 or 1056 – c. 1057
Succeeded by
Peter I
Preceded by
Margrave of Turin
With: Adelaide
Succeeded by
Peter I