Bayard

Bayard is the king of Mercia in the country of Albion.

He warred with King Uther Pendragon for a time before agreeing to a peace treaty, but his effort was temporarily stymied when he was framed by the sorceress Nimueh for the attempted assassination of Arthur Pendragon. Bayard's forces were poised to attack Camelot for his imprisonment, but the truth was discovered by Gaius in time to prevent war.

Allusions
Bayard is named for a legendary magical horse.