sentences:  He administered the diocese of "Dún dá leth glas" (Down) from Bangor and introduced a community of Augustinians (canons) to "Dún dá leth glas" dedicated to St. John the Evangelist.He repaired and enlarged Down Cathedral.After having received a grant of Ulster from King Henry II of England, Norman Knight John de Courcy set out from Dublin in early 1177 to take possession of it.