Vivianus (also Bibianus; died c. 490) was an early saint of the French (Francian) church and the first known
bishop of Saintes.

A brief ''Life'' of his dated to the mid 6th century was edited by Krush in 1896.
[MGH, SRM 3 (1896), 94-100. Krusch thought the text dated to the Carloingina period, but it is now typically dated to about the same time as Gregory's ''Glory of the Confessors'', see Raymond Van Dam (ed., trans.),
Volume 4 of Latin series, Translated Texts for Historians Series, Liverpool University Press, 1988]
p. 42, fn. 63
He is also mentioned by
Gregory of Tours
Gregory of Tours (born ; 30 November – 17 November 594 AD) was a Gallo-Roman historian and Bishop of Tours during the Merovingian period and is known as the "father of French history". He was a prelate in the Merovingian kingdom, encom ...
later in the 6th century, who refers to the earlier text, saying "a book that has already been written about his life narrates the bulk of his miracles".
References
Merovingian saints
Bishops of Saintes
490s deaths
Year of birth unknown
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