John Ashburnham 1st Earl of Ashburnham 
- Born: 13 Mar 1686/87
- Christened: 13 Mar 1686/87, St. Margaret's Church, Westminster, London, England
- Died: 10 Mar 1735/36, St. James Square, Westminster, London, England at age 48
- Buried: Ashburnham, Sussex, England
John Ashburnham, 1st Earl of Ashburnham was baptised on 13 March 1687 at St. Margaret's Church, Westminster, London, England .2 He was the son of John Ashburnham, 1st Baron Ashburnham and Bridget Vaughan .2 He married, firstly, Lady Mary Butler , daughter of James Butler, 2nd Duke of Ormonde and Lady Mary Somerset , on 21 October 1710.3 He married, secondly, Henrietta Maria Stanley, Baroness Strange, daughter of William George Richard Stanley, 9th Earl of Derby and Lady Elizabeth Butler, on 24 July 1714.1 He married, thirdly, Lady Jemima Grey , daughter of Henry de Grey, 1st and last Duke of Kent and Jemima Crew , on 14 March 1723/24 at St. James's, Westminster, London, England .3 He died on 10 March 1736/37 at age 49 at St. James Square, Westminster, London, England .3 He was buried at Ashburnham, Sussex, England .3
John Ashburnham, 1st Earl of Ashburnham held the office of Member of Parliament (M.P.) (Tory) for Hastings between February 1710 and June 1710.2 He succeeded to the title of 3rd Baron Ashburnham, of Ashburnham, Sussex [E., 1689] on 16 June 1710.2 He was Colonel of the 1st troop of Horse Guards between 1713 and 1715.2 He held the office of Lord of the Bedchamber to the Prince of Wales between December 1728 and June 1731.2 He was created 1st Viscount St. Asaph, of the principality of Wales [Great Britain] on 14 May 1730.2 He was created 1st Earl of Ashburnham [Great Britain] on 14 May 1730.2 He was Captain of the Yeoman of the Guard between 23 November 1731 and 1737.2
1. 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 I, page 135. Hereinafter cited as The Complete Peerage.
2. Cokayne, and others, The Complete Peerage, volume I, page 271.
3. Cokayne, and others, The Complete Peerage, volume I, page 272.
4. L. G. Pine, The New Extinct Peerage 1884-1971: Containing Extinct, Abeyant, Dormant and Suspended Peerages With Genealogies and Arms (London, U.K.: Heraldry Today, 1972), page 13. Hereinafter cited as The New Extinct Peerage.