Ambrosius Aurelianus, num, the leader of a combined force of Romano-British forces from across southern Britain, according to Historia Britto, defeats the Anglo-Saxons under one Vitalinus (possibly Vortigern) in the Battle of Guoloph, at present Over Wallop.

He is given all the kingdoms of the western side of Britain.

Ambrosius Aurelianus is one of the few people that Gildas identifies by name in his sermon De Excidio et Conquestu Britanniae, and the only one named from the fifth century.

Ambrosius Aurelianus, war leader of the Romano-British, is proclaimed king of the Britons according to Historia Regum Britanniae.

He rules probably in the south of Britain and continues the war against the Anglo-Saxons.