Burke's Peerage & Baronetage, 106th Edition, Charles Mosley Editor-in-Chief, 1999 @ 1273

(Ref: 1273) This citation is considered to be direct and primary evidence used, or by dominance of the evidence.
Burke's Peerage & Baronetage, 106th Edition, Charles Mos l e y Editor-in-Chief, 1999. 

• References (2)
  • Parent Source: Burke's Peerage & Baronetage, 106th Edition, Charles Mosley Editor-in-Chief, 1999
  • Individual: Gunnora de Crêpon , Duchess Of Normandy