He has long been considered a probable sixth-century king of the sub-Roman state of Elmet in the Leeds area of modern Yorkshire, though some more recent scholarship would identify him more tentatively simply as a 'king of an unidentified region in the north'.
Historians have long suspected that he might have been a king of the sub-Roman state of Elmet in the area now known as Leeds in Yorkshire, although some contemporary scholars are now more hesitant to make this claim and instead view him as possibly the ruler of an unspecified region in northern England.