sentences:  Diuma was an Irishman, and was one of four priests, Cedd, Atta, Betti and Diuma, from the Kingdom of Northumbria, who accompanied the newly baptised Peada, son of Penda (King of Mercia) back to Mercia in 653.Peada became a Christian when he married Alhflaed, daughter of Oswiu, King of Northumbria.The priests were to introduce the Christian faith to the region.