Edmund of Almain was the second Earl of Cornwall of the fourth creation from 1272. He joined the Ninth Crusade in 1271, but never made it to the Holy Land. He was the regent of the Kingdom of England from 1286 to 1289 and the High Sheriff of Cornwall from 1289 to 1300.

Berkhamsted Castle is a Norman motte-and-bailey castle in Berkhamsted, Hertfordshire. The castle was built to obtain control of a key route between London and the Midlands during the Norman conquest of England in the 11th century. Robert of Mortain, William the Conqueror's half brother, was probably responsible for managing its construction, after which he became the castle's owner. The castle was surrounded by protective earthworks and a deer park for hunting. The castle became a new administrative centre of the former Anglo-Saxon settlement of Berkhamsted. Subsequent kings granted the castle to their chancellors. The castle was substantially expanded in the mid-12th century, probably by Thomas Becket.