Welsh royal saints

Welsh prince and Christian saint

legendary king of Brittany

Gwynllyw Filwr or Gwynllyw Farfog (), known in English in a corrupted form as Woolos the Warrior or Woolos the Bearded (; 450 – 500 A.D.) was a Welsh king and religious figure.

legendary wife of Macsen Wledig (Magnus Maximus) who brought the ideas of Martin of Tours to Wales

Saint Tysilio (also known as/confused with Saint Suliac; ; died 640 AD) was a Welsh bishop, prince and scholar.

Tewdrig ap Teithfallt (; ), known simply as Tewdrig, was a king of the post-Roman Kingdom of Glywysing. He abdicated in favour of his son Meurig (Maurice) and retired to live a hermitical life, but was recalled to lead his son's army against an intruding Saxon force. He won the battle, but was mortally wounded.

Brychan ap Anlach of Brycheiniog was a legendary 5th-century king of Brycheiniog (Brecknockshire, alternatively Breconshire) in Mid Wales.

thumb|A map of the early Welsh kingdoms Glywys is a legendary early 5th century Welsh king, an important character in early Welsh genealogies as the eponymous founder king of Glywysing, a southeast Welsh kingdom whose heartland lay between the Tawe and the Usk.

thumb|Procession of the Saints of Britain - Diocese of Rennes, Rennes Cathedral