Ancestry of Richard Plantagenet & Cecily de Neville @ chart 1238, Hawise-Adele, d of Robert II K of France &
Constance de Arles (her brother & his wife in this db)
The cited information was published by published by author, 1978 (Ref: chart 1238, Hawise-Adele, d of Robert II K of France &
Constance de Arles (her brother & his wife in this db)) The author/originator was Ernst-Friedrich Kraentzler.