Who killed Penda of Mercia?
He continued to wage war against the Bernicians of Northumbria. Thirteen years after Maserfield, he suffered a crushing defeat by Oswald’s successor and brother Oswiu, and was killed at the Battle of the Winwaed in the course of a final campaign against the Bernicians. Is Aethelred king of Mercia? Æthelred (/ˈæθəlrɛd/; died after 704) was…