Genealogy Seek: Siward Earl of Northumbria & Uchtred "The Bold"

Interesting map with the region of Harold is found.

Cnut issue: Uchtred while away, lost Yorkshire & did give in to Cnut's army,
& named him as King of England, but ...
"Uhtred was summoned to a peace meeting with Cnut, and on the way there, he and forty of his men were murdered by Thurbrand the Hold" wiki