Bernicia | Æthelfrith of Northumbria | Eanfrith of Bernicia | Hussa of Bernicia |
What is known from history is that in 588 King Ælla of Deira died, and Æthelfrith of Bernicia took the opportunity to invade and conquer Deira, driving Ælla 's 3-year old infant son, the future Edwin of Northumbria, into exile.
His brother Máel Umai (died 610) fought at the Battle of Degsastan where he is said to have killed the brother of King Æthelfrith of Bernicia.