Complete Peerage, Location: Mid-Continent Library, Independence @ i:305 [Atholl], s of King John & notes mother was "not named
[other sources state possibly a daughter of Hamelin (illeg. son
of Geoffrey Plantagenet) and Isabella de Warenne, Countess of
Surrey", source given as G J Turner, The Genealogist N S
xxii:109

The cited information was published by St. Catherine Press, 29 Great Queen St, Kingsway, W.C., 1959 (Ref: i:305 [Atholl], s of King John & notes mother was "not named
[other sources state possibly a daughter of Hamelin (illeg. son
of Geoffrey Plantagenet) and Isabella de Warenne, Countess of
Surrey", source given as G J Turner, The Genealogist N S
xxii:109) The author/originator was G.E. Cockayne.

• Source Notes

  ABBR CP (Cockayne)

• References (2)
  • Parent Source: Complete Peerage, Location: Mid-Continent Library, Independence
  • Individual: Richard FitzJohn of Dover Lord Chilham