Isabel De Beaumont 
General Notes
The vast majority of the information presented is obtained from online sources. While I believe it to be accurate, caution must be taken to always be careful of its validity.
Please do contact me if you find errors or have questions.
1 University of Hull @ http://www.dcs.hull.ac.uk/cgi-bin/gedlkup/n=royal?royal05970
2 "The Complete Peerage of England Scotland Ireland Great Britain andthe United Kingdom" @ Vol X, p. 352, footnote d
2 "The Complete Peerage of England Scotland Ireland Great Britain andthe United Kingdom" @ Vol X, p. 352, footnote d
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