Tags: Saint.
Gwynno or Gwynnog ab Gildas is the name of a 6th-century Welsh saintArchives at the Vatican record that his festival is 26 October; that he is regarded as a confessor; and that there is said to be a sacred well Ffynnon Wyno associated with Llanwonno in Glamorganshire.Gwynno appears to have been the son of Cau called Euryn y Coed aur.During the Yellow Plague of 547 the monks of the dead Illtyd went for safety from West Wales to Brittany.