King Alfred came from Anglo-Saxon stock. They were made up of many different tribes, all who hailed from Central and Eastern Europe. This group was more than just the Angles and Saxons. Jutes, Goths, Lombards, Franks and Frisia were all amongst the group which came to Britain during the early centuries after Christ.
Are you a Holocaust denier? ("This isn't strictly true"). If not, how isn't it strictly true?