SOURCE NOTES: Moriarty, George Andrews, Plantagenet Ancestry of King Edward III And Queen Philippa. Salt Lake: Mormon Pioneer Genealogical Society, 1985. LDS Film#0441438. nypl#ARF-86-2555.
Tapsell, R. F., Monarchs, Rulers, Dynasties and Kingdoms of the World. New York: Facts on File Publications, 1983. SOURCE NOTES: father: [Ref: Tapsell p223] RESEARCH NOTES: father: Burchard III of Wettin [Ref: Moriarty p91]