"The Blood Royal of Britain (Tudor Roll) and The Plantagenet Roll of the Blood Royal" five vol. @ B 7 G 10 pt 1, 2, p. 179
The cited information was published by (Baltimore:MD, Genealogical Publishing Co., (1902-1911) repr. 1994), GPC #5051, held in
R500439692 (Ref: B 7 G 10 pt 1, 2, p. 179) The author/originator was Marquis of Ruvigny and Raineval.