Burke, Sir John Bernard, Genealogical and Heraldic History of the Peerage Baronetage and Knightage. 99th edition. London: Burke's Peerage, 1949. Available at http://archive.org/details/burkesgenealogic1949unse. Information from this source tagged as [Ref: Burke Peerage [cx0-9]*].
Sources for birth and parent Information
parents:
[Ref: Burke Peerage p1987]
Sources with Information about marriage to Richard POWELL
date:
first marriage of Mary [Ref: Burke Peerage p1987]
Sources with Information about marriage to Henry KEENE
date:
second marriage of Mary [Ref: Burke Peerage p1987]