www.ancientwalesstudies.org

Wikipedia: Owain Glyndŵr

Anchor text: The Ancestry of Owain Glyndwr

Wikipedia: List of rulers in Wales

Wikipedia: Kingdom of Gwynedd

Anchor text: BRUTUS, THE LEGENDARY EPONYM OF BRITAIN

Wikipedia: Historia Regum Britanniae

Wikipedia: Uhtred

Wikipedia: Llywelyn ap Seisyll

Anchor text: The Herbert Family Pedigree

Wikipedia: William ap Thomas

Anchor text: Rethinking the Gwent Pedigrees

Wikipedia: William ap Thomas

Wikipedia: Iorwerth Drwyndwn

Wikipedia: Welsh heraldry