From Darryl Lundy's Peerage page on Henrietta Boyle:

http://www.thepeerage.com/p2004.htm#i20032

Lady Henrietta Douglas [1]

• F, #20032,
• d. 22 August 1732
• Last Edited=4 Jun 2008
• Consanguinity Index=0.4%

Lady Henrietta Douglas was the daughter of Field Marshal George Hamilton, 1st Earl of Orkney and Elizabeth Villiers.[1]

She married John Boyle, 5th Earl of Cork, son of Charles Boyle, 4th Earl of Orrery and Lady Elizabeth Cecil, on 9 May 1728 at Albemarle Street, London, England.[1]

She died on 22 August 1732 at Cork, County Cork, Ireland.[1] She was buried on 18 September 1732 at Taplow, Buckinghamshire, England.[1]

Her married name became Boyle.

Children of Lady Henrietta Douglas and John Boyle, 5th Earl of Cork

• 1. Charles Boyle, Viscount Dungarvan+[1] b. 20 Feb 1728/29, d. 16 Sep 1759
• 2. Hamilton Boyle, 6th Earl of Cork [1] b. 3 Feb 1729/30, d. 17 Jan 1764
• 3. Lady Elizabeth Boyle [2] b. 7 May 1731, d. 16 Jan 1800

Citations

• 1. [S6] G.E. Cokayne; with Vicary Gibbs, H.A. Doubleday, Geoffrey H. White, Duncan Warrand and Lord Howard de Walden, editors, The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct or Dormant, new ed., 13 volumes in 14 (1910-1959; reprint in 6 volumes, Gloucester, U.K.: Alan Sutton Publishing, 2000), volume III, page 423. Hereinafter cited as The Complete Peerage.
• 2. [S37] Charles Mosley, editor, Burke's Peerage, Baronetage & Knightage, 107th edition, 3 volumes (Wilmington, Delaware, U.S.A.: Burke's Peerage (Genealogical Books) Ltd, 2003), volume 1, page 900. Hereinafter cited as Burke's Peerage and Baronetage, 107th edition.