Ælfwine of Deira
King
Ælfwine was the King of Deira from 670 to 679. He was a son of Oswiu of Northumbria and a brother of Ecgfrith of Northumbria.
After the succession of Ecgfrith as king of Northumbria in 670, he made Ælfwine king of the sub-kingdom of Deira. Wikipedia