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. RESEARCH NOTES: said to be daughter of a Danish leader in Middle Friesland, and a descendant from Halfdan the Black, King of the Uplands [Ref: Moriarty p26]