Saint Tremorus of Brittany is a sixth century child martyr venerated by the Roman Catholic Church

Roman Catholic Church

The Catholic Church, also known as the Roman Catholic Church, is the world's largest Christian church, with over a billion members. Led by the Pope, it defines its mission as spreading the gospel of Jesus Christ, administering the sacraments and exercising charity...

. He was murdered by his stepfather Count Conmore while being educated at a monastery in Carhaix, Brittany. Conmore killed the boy because he hated Christianity. He was the son of Saint Triphena, who retired to a convent after her son's murder, and was taught by Gildas the Wise.