Ancestry of Richard Plantagenet & Cecily de Neville @ chart 1431, Waltheof I E of Northumberland s of Oswulf I E of
Northumberland, Lord of Bamburg
The cited information was published by published by author, 1978 (Ref: chart 1431, Waltheof I E of Northumberland s of Oswulf I E of
Northumberland, Lord of Bamburg) The author/originator was Ernst-Friedrich Kraentzler.