Royal Descents of Famous People @ as daughter of Isabel le Despenser! (her paternal grandfather's
first wife!)
The cited information was published by 1995, 1996 (Ref: as daughter of Isabel le Despenser! (her paternal grandfather's
first wife!)) The author/originator was Mark Humphrys.
Source Notes
Based on Burke's Peerage of American Presidents, Burke's
Dormant & Extinct Peerage: Ferrers, Neville, Clifford) &
Burke's Peerage 1970. See notes section for Edward III.