Ancestry of Richard Plantagenet & Cecily de Neville @ chart 1239, Adelheid de Turin, d of Olderic Manfred Marquis de Turin & Bertha de Este
The cited information was published by published by author, 1978 (Ref: chart 1239, Adelheid de Turin, d of Olderic Manfred Marquis de Turin & Bertha de Este) The author/originator was Ernst-Friedrich Kraentzler.