Britain's Royal Families: The Complete Genealogy @ p 66

The cited information was published by rev. ed, Pimlico Random House,  London 1989, 1996 (Ref: p 66) The author/originator was Alison Weir.

• References (2)
  • Parent Source: Britain's Royal Families: The Complete Genealogy
  • Individual: Hubert de Burgh Earl of Kent