Mathuedoï I (circa 875 - 930) was a Count of

Poher Poher is an ancient principality that emerged in the Early Middle Ages in Cornouaille in west-central Brittany. Its capital was the Gallo-Roman city of Vorgium, capital of the Osismii, which became Carhaix after the fall of the Roman Empire. Archae ...

. He was the son - in - law of

Alan I, King of Brittany Alan I (french: Alain; died 907), called the Great,F. McNair (2015), "Vikings and Bretons? The Language of Factional Politics in Late Carolingian Brittany", ''Viking and Medieval Scandinavia'' 11: 183–202. was the Count of Vannes and Duke of Bri ...

, known as Alan the Great through his marriage to Hawise of Vannes. He obtained his countship at Alan's death circa 907. He is listed in several ecclesiastical records at Redon Abbey.

Life

At Alan I's death the rule of Brittany became fractured even as the region faced Viking invasions. Mathuedoï and his cousin Gourmaelon, the Count of Cornouailles, stood in line to succeed Alan I as ruler of Brittany. Mathuedoï renounced his claim as Viking invasions of Brittany increased. Subsequent to the invasion of the Loire Viking fleet led by Rognvaldr, he exiled himself and his son

Alan Alan may refer to: People *Alan (surname), an English and Turkish surname * Alan (given name), an English given name **List of people with given name Alan ''Following are people commonly referred to solely by "Alan" or by a homonymous name.'' *A ...

to England in 924.''Chronicle of Nantes'', chapter 27, ed. Merlet; p. 82. According to the ''Chronicle'', Æthelstan was already King when Mathuedoi fled to England. According to the

Chronicle of Nantes ''Chronicle of Nantes'' (Latin: ''Chronicon Namnetense'', French: ''Chronique de Nantes'') is an eleventh-century Latin chronicle of history extending from 570 to about 1049 AD. The original manuscript, kept in the city of Nantes, has not survived, ...

: : While Mathuedoï would remain in England, his son Alan returned to Brittany about 12 years later, and with Athelstan's assistance would expel the Vikings.

Life

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