Æthelred, was the king of Northumbria from 774 to 779 and again from 790 until he was murdered in 796. He was the son of Æthelwald Moll and Æthelthryth and possibly became king while still a child after Alhred was deposed. Wikipedia
Died: April 18, 796 AD, Coria
Parents: Æthelwald Moll of Northumbria and Æthelthryth
Partner: Ælfflæd of Mercia (792 AD–)
Reign: 774–779