Britain's Royal Families: The Complete Genealogy, rev. ed. @ "Association" of King John & a woman called Suzanne, or a
sister of Wm de Warenne Earl of Surrey (Surrey's sister
undoubtedly bore the King a child, but its identity is
uncertain). No date.

The cited information was published by Pimlico Random House, London, England, 1989, 1996 (Ref: "Association" of King John & a woman called Suzanne, or a
sister of Wm de Warenne Earl of Surrey (Surrey's sister
undoubtedly bore the King a child, but its identity is
uncertain). No date.) The author/originator was Alison Weir.

• Source Notes

  ABBR Britain's Royal Families

• References (2)
  • Parent Source: Britain's Royal Families: The Complete Genealogy, rev. ed.
  • Family: John Lackland Plantagenet King of England & Suzanne de Warenne