Tags: Christian Bishop.
Diuma (or Dwyna or Duma) was the first Bishop of Mercia in the Anglo-Saxon Kingdom of Mercia during the Early Middle Ages.Diuma was an Irishman and was one of four priests from the Kingdom of Northumbria who went to Mercia in 653 to introduce the Christian faith to the region. Their coming had been requested by the Mercian ealdorman Peada son of Penda King of Mercia. Peada had become a Christian when he married Alhflaed daughter of Oswiu King of Northumbria.