Saint Nwyalen ach Selyf

Nwyalen was a 6th-century saint. She was the daughter of Gwen and Selyf of Cornwall. She founded a chapel near Ynysgynwraidd in Gwent, where a well and a bridge bear her name. She is known as Newlyn in Cornwall. She is called Noala in Brittany, where there are several dedications to her and where a story is told about her that is very similar to the story of Saint Winefride.