Saint Tudwal, also known as Tual, Tudgual, Tugdual, Tugual, Pabu, Papu, or Tugdualus, was a Breton monk, considered to be one of the seven founder saints of Brittany.
November 30 (Eastern Orthodox liturgics)
…Saint Trojanus of Saintes (Troyen), a priest in Saintes in France where he later became bishop after St Vivien (533) Saint Tudwal (Tugdual), monk from Wales who became Bishop of Tréguier, Brittany (c. 564)(see also: December 1) Saint Andrew (Andrei) Șaguna, Metropolitan of…
The relics of Saints Ives and Tudwal in a procession at the gate of Tréguier Cathedral in 2005