Genealogy of the Nances in Cornwall @ Phillipa the only child of Richard, Earl of Arundell, no mother
The cited information was published by 1970 (Ref: Phillipa the only child of Richard, Earl of Arundell, no mother) The author/originator was Martin L. "Pete" Nance.
Source Notes
Originally a newsletter sent to purchasers of his book "The Nance Register"