630s. Æthelfrith, son of Æthelric and grandson of Ida, apparently succeeded Hussa as king of the Bernicians around the year 592 or 593; Æthelfrith's accession...

prompting. Æthelfrith faced Rædwald in the Battle of the River Idle in 616, and Æthelfrith was defeated; Rædwald installed Edwin as king of Northumbria. Rædwald's...

ultimately gained supremacy in Northumbria, marriage alliances also helped bind these two territories together. Æthelfrith married Edwin's sister Acha,...

into two kingdoms: Bernicia and Deira. The two were first united by king Æthelfrith around the year 604, and except for occasional periods of division over...

victory for Rædwald of East Anglia over Æthelfrith of Northumbria in 616 in what is now Nottinghamshire. Æthelfrith was King of Bernicia from c. 593. Around...

there was a particular cult in the Middle Ages. Oswald was the son of Æthelfrith of Bernicia and Acha of Deira and came to rule after spending a period...

Æthelfrith, then King of Bernicia; his siblings included older brothers Eanfrith and Oswald and sister Æbbe. Oswiu's mother was likely Æthelfrith's only...

faith. Æthelfrith of Northumbria may have married Acha, who was the mother of his son Oswald (born in about 604), according to Bede. Æthelfrith pursued...

Britons near the city of Chester, England in the early 7th century. Æthelfrith of Northumbria annihilated a combined force from the Welsh kingdoms of Powys...

Hereric, who was nephew of Edwin of Northumbria. Around 604 Æthelfrith, King of Bernicia took control of Deira. Æthelfrith married Edwin's sister, Acha of...