Confusion has arisen with Sulinus or Sulien, the Breton saint of Cornouaille and Domnonée, East Brittany (feast: 1 October) Furthermore the legend of Tysilio (or Suliau), whose feast is on 8 November, was used for the Breton saint.
Judicael ap Hoel (early 7th century) - a future king of the early Breton Kingdom Domnonee.