William Courtenay, 1st Earl of Devon, feudal baron of Okehampton and feudal baron of Plympton, was a member of the leading noble family of Devon. His principal seat was Tiverton Castle, Devon with further residences at Okehampton Castle and Colcombe Castle, also in that county.

From Wikipedia (CC BY-SA 4.0).

On IJR

No public IJR answers mention William Courtenay, 1st Earl of Devon yet. As people ask about it and share their answers, they'll appear here.

Facts from Wikidata (CC0).

Overview

From Wikipedia (CC BY-SA 4.0).