Historia Brittonum
Bede named Wuffa as the grandfather of Rædwald, "from whom the East Anglian kings are called Wuffingas", but Bede's view that Wuffa was the first King of the East Angles is contradicted by the 9th-century "Historia Brittonum", which instead apparently names a person called Guillem Guercha. In the "Historia Brittonum", Guillem Guercha is listed as part of a long pedigree: