"The Complete Peerage of England Scotland Ireland Great Britain andthe United Kingdom" @ Vol X, p. 352, footnote d

The cited information was published by St Catherine Press, London (Ref: Vol X, p. 352, footnote d) The author/originator was George Edward Cockayne. This citation is considered to be direct and primary evidence used, or by dominance of the evidence.
"The Complete Peerage of England Scotland Ireland Great Britain andthe United Kingdom". 

• References (2)
  • Parent Source: "The Complete Peerage of England Scotland Ireland Great Britain andthe United Kingdom"
  • Individual: Isabel De Beaumont