Tremorus of Brittany, also known as Trémeur, Treveur, and Tromeur, is a sixth-century child martyr venerated by the

Roman Catholic Church The Catholic Church, also known as the Roman Catholic Church, is the largest Christian church, with 1.3 billion baptized Catholics worldwide . It is among the world's oldest and largest international institutions, and has played a ...

. He was baptized by his mother against his stepfather's wishes. His baptismal name was Gildas, after

Gildas the Wise Gildas ( Breton: ''Gweltaz''; c. 450/500 – c. 570) — also known as Gildas the Wise or ''Gildas Sapiens'' — was a 6th-century British monk best known for his scathing religious polemic ''De Excidio et Conquestu Britanniae'', which recounts ...

, and given the title Trech-meur ("great victory" in Breton) to distinguish him from the older Gildas. He was murdered by his stepfather Count Conmore while being educated at a monastery in

Carhaix Carhaix-Plouguer (; br, Karaez-Plougêr ), commonly known as just Carhaix (), is a commune in the French department of Finistère, region of Brittany, France.Brittany Brittany (; french: link=no, Bretagne ; br, Breizh, or ; Gallo: ''Bertaèyn'' ) is a peninsula, historical country and cultural area in the west of modern France, covering the western part of what was known as Armorica during the period ...

. Conmore killed the boy because he hated Christianity. He was the son of Triphina (Triphena), who retired to a convent after her son's murder, and was taught by

References

6th-century Christian saints 6th-century Breton people Christian child saints Medieval Breton saints Medieval murder victims {{saint-stub