Teilo

From Teilio, which was originally a diminutive of Eiludd, composed of the Welsh pronoun ty meaning "thy, your" prefixed to a diminutive of Eiludd. This name was borne by a legendary or semi-legendary Welsh saint of the 6th century and occurs in Llandeilo meaning literally "church of Teilo", the name of 15 places in Wales (so called either currently or in former times). Saint Teilo appears in the Life of Saint Cadoc (late 11th century) in which he joins Saints David (Dewi) and Cadoc in mediating a dispute between King Arthur and Ligessauc, a chief of the Britons. According to the 12th-century chronicler Geoffrey of Monmouth, Teilo was a priest from Llandaff whom Arthur appointed as the archbishop of Dol, replacing Saint Samson, the previous archbishop.