Complete Peerage of England Scotland Ireland Great Britain and the United Kingdom, by G. E Cokayne,  Sutton Publishing Ltd, 2000 @ XII/1:496

(Ref: XII/1:496)
Complete Peerage of England Scotland Ireland Great Britain and the United Kingdom, by G. E Cokayne,  Sutton Publishing Ltd, 2000. 

• References (2)
  • Parent Source: Complete Peerage of England Scotland Ireland Great Britain and the United Kingdom, by G. E Cokayne,  Sutton Publishing Ltd, 2000
  • Individual: Adelaide, Countess Of Vermandois