OF MERCIA Family Lines: AP LLYWELYN, DE BRAOSE, DE GLOUCESTER, DE NEUFMARCHE, DE SAINT VALERY, DEBRAOSE, FERCH GRUFFYDD, FITZRICHARD, NEUFMARCHE, OF HEREFORD, OF MERCIA, OSBERN.
Places: Seine-Maritime, Haute-Normandie, France; Bramber, Sussex, England; Gloucester, Gloucestershire, England; Brecon Castle, Breconshire, Wales; Brecon, Breconshire, Wales; Hereford, Herefordshire, England; Richards Castle, Herefordshire, England; England; Rhuddlan, Flintshire, Wales.