Edmund I of the Midlands, Northumbria, and Strathclyde (the last of which was ceded to Malcolm I of Scotland). Edmund was assassinated after six-and-a-half years as king, while attending Mass in Pucklechurch, Gloucestershire. He was initially succeeded by his brother Eadred, but his two sons – Eadwig and Edgar the Peaceful – both later came to the throne. Edmund came to the throne as the son of Edward the Elder, and therefore the grandson of Alfred the Great, great-grandson of Æthelwulf of Wessex and great-great grandson of Egbert of Wessex, who was the first of the house of Wessex to start dominating
Great Heathen Army Anglia and spent the winter of 869–70 at Thetford. There was no peace agreement between the East Anglians and the Vikings this time. When the local king Edmund fought against the invaders, he was captured and killed. In 871, the Great Summer Army arrived from Scandinavia, led by Bagsecg. The reinforced Viking army turned its attention to Wessex, but the West Saxons, led by King Æthelred's brother Alfred, defeated them on 8 January 871 at the Battle of Ashdown, slaying Bagsecg in the process. Three months later, Æthelred died and was succeeded by Alfred (later known as Alfred the Great),