Ancestry of Richard Plantagenet & Cecily de Neville @ chart 1065, 1193, Ida de Glance (Glane) "several possible
fathers. More research necessary for positive verification."
The cited information was published by published by author, 1978 (Ref: chart 1065, 1193, Ida de Glance (Glane) "several possible
fathers. More research necessary for positive verification.") The author/originator was Ernst-Friedrich Kraentzler.