Athelstan was the first king to be crowned King of all the English. He waged war successfully in Wales, the southwest and Scotland. At Brunanburh in 937 he defeated an alliance between Danish forces and rebel minor kings.
This Sceptered Isle
The Laws of King Athelstan
History of the Scottish Nation Vol 3 Chap 5 (search the page for "Brumby")
Book: Coinage in Tenth-century England from Edward the Elder to Edgar's Reform
Father: Edward the Elder
GHGCORP