East–West Schism
Saint Deicolus (Déicole, Dichuil, Deel, Deicola, Deicuil, Delle, Desle, Dichul, Dicuil, Domgall) (c. 530 – January 18, 625) is venerated as a saint by both the Catholic Church and the Orthodox Church as an East–West Schism, pre-Schism, Western saint. He was an elder brother of Saint Gall.