LEO CITES:
Cahiers de Saint Louis , Dupont, Jacques and Saillot, Jacques, Reference: 100, 920
The Lineage and Ancestry of H.R.H. Prince Charles, Prince of Wales, Edinburgh, 1977, Paget, Gerald, Reference: Q 98598
The Plantagenet Encyclopedia, London, 1990 , Hallam, Elizabeth; General Editor, Reference: Biography
A Genealogical History of the dormant, abeyant, forfeited and extinct peerages of the British Empire, London, 1866, Burke, Sir Bernard, Reference: 395