Complete Peerage, Location: Mid-Continent Library, Independence @ The Complete Peerage, V.x, p 445, note.l, says that Jocelyn's
mother is unproven.

The cited information was published by St. Catherine Press, 29 Great Queen St, Kingsway, W.C., 1959 (Ref: The Complete Peerage, V.x, p 445, note.l, says that Jocelyn's
mother is unproven.) The author/originator was G.E. Cockayne.

• Source Notes

  ABBR CP (Cockayne)

• References (2)
  • Parent Source: Complete Peerage, Location: Mid-Continent Library, Independence
  • Individual: Joscelin de Percy Lord Percy