For 10 points, name this member of the Heptarchy containing York, with a directional name.
It's not Bavaria, but an assault on this polity's city of Bamburgh was repulsed after a fire set to burn down its walls was blown into the enemy camp, allegedly due to the prayers of Saint Aidan. This polity's capital was sacked during a civil war by Ivar the Boneless. One ruler of this kingdom converted both himself and his priest Colfi to Christianity due to a missionary named Paulinus. The Codex Amiatinus was prepared in this polity as a gift to the Pope in its city of (*) Jarrow, and St. Cuthbert helped grow its monasteries at Melrose and Lindisfarne. This kingdom saw a dispute between the Celtic faction led by Colman and Hilda and the Roman faction led by St. Wilfrid resolved at the Synod of Whitby. At a battle fought near the Winwaed River, forces under its king, Oswiu, killed Penda, a king of its rival, Mercia. For 10 points, name this member of the Heptarchy containing York, with a directional name.
It's not Bavaria, but an assault on this polity's city of Bamburgh was repulsed after a fire set to burn down its walls was blown into the enemy camp, allegedly due to the prayers of Saint Aidan.
Northumbria