Eckbert m. Old High German ecka 'edge, corner' + Old High German beraht, Old Saxon berht 'bright' from Proto-Germanic *berhtaz.
The name of a 7th C king of Kent, an 8th C Anglo-Saxon monk, an 8th C kin of Kent, a 9th C king of Wessex, and two 9th C kings of Northumbria.