Robert King, 1st and last Baron Kingsborough1 
He succeeded as the 4th Baronet King, of Boyle Abbey, co. Roscommon on 1 January 1739/40.2 He held the office of Member of Parliament (M.P.) for Boyle between 1744 and 1748.2 He was created 1st Baron Kingsborough [Ireland] on 13 June 1748.2 He held the office of Grand Master of the Freemasons [Ireland] from 1749 to 1750.2 He held the office of Custos Rotulorum of County Roscommon.2 On his death, the Barony of Kingsborough became extinct.2
- [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 VII, page 299. Hereinafter cited as The Complete Peerage.
- [S6] Cokayne, and others, The Complete Peerage, volume VII, page 293.
Isabella King1 
After her marriage, Isabella King was styled as Baroness Howth on 17 November 1750. From 17 November 1750, her married name became St. Lawrence. After her marriage, Isabella King was styled as Countess of Howth on 3 September 1767.
Children of Isabella King and Thomas St. Lawrence, 1st Earl of Howth
- Hon. Henry St. Lawrence2 d. 1787
- Lady Isabella St. Lawrence2 d. 28 Oct 1836
- Lady Elizabeth St. Lawrence2 d. 1799
- Lady Frances St. Lawrence2 d. 1842
- William St. Lawrence, 2nd Earl of Howth+2 b. 4 Oct 1752, d. 4 Apr 1822
- Rt. Rev. Hon. Thomas St. Lawrence+2 b. 1755, d. 10 Jan 1831
- [S8] BP1999 volume 1, page 1597. See link for full details for this source. Hereinafter cited as. [S8]
- [S21] 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 152. Hereinafter cited as The New Extinct Peerage.
Thomas St. Lawrence, 1st Earl of Howth1 
He was educated in 1747 at Trinity College, Dublin University, Dublin, County Dublin, IrelandG.2 He succeeded as the 15th Baron Howth [I., c. 1440] on 4 April 1748.2 He held the office of Bencher of King’s Inn, Dublin in 1767.2 He was created 1st Earl of Howth [Ireland] on 3 September 1767.2 He was created 1st Viscount St. Lawrence [Ireland] on 3 September 1767.2 He was appointed Privy Counsellor (P.C.) [Ireland] in 1768.2
Children of Thomas St. Lawrence, 1st Earl of Howth and Isabella King
- Hon. Henry St. Lawrence2 d. 1787
- Lady Isabella St. Lawrence2 d. 28 Oct 1836
- Lady Elizabeth St. Lawrence2 d. 1799
- Lady Frances St. Lawrence2 d. 1842
- William St. Lawrence, 2nd Earl of Howth+2 b. 4 Oct 1752, d. 4 Apr 1822
- Rt. Rev. Hon. Thomas St. Lawrence+2 b. 1755, d. 10 Jan 1831
- [S8] BP1999 volume 1, page 1597. See link for full details for this source. Hereinafter cited as. [S8]
- [S21] 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 152. Hereinafter cited as The New Extinct Peerage.
Anne King1 
Her married name became Knox.
Child of Anne King and John Knox
- Major John Knox+2 b. 10 Mar 1764, d. 11 Jan 1821
John Knox1 
John Knox also went by the nick-name of Diamond Knox.2 He lived at Castlereagh, County Mayo, IrelandG.1 He held the office of Member of Parliament (M.P.)1
Child of John Knox and Anne King
- Major John Knox+2 b. 10 Mar 1764, d. 11 Jan 1821
Sidney Wingfield1 
Her married name became Moore.
Child of Sidney Wingfield and Acheson Moore
- Sydney Moore+ d. 1815
- [S37] BP2003 volume 2, page 3900. See link for full details for this source. Hereinafter cited as. [S37]
Acheson Moore1 
He lived at Aughnacloy, County Tyrone, IrelandG.1 He held the office of Member of Parliament (M.P.)4
Child of Acheson Moore and Sidney Wingfield
- Sydney Moore+5 d. 1815
- [S47] BIFR1976 page 459. See link for full details for this source. Hereinafter cited as. [S47]
- [S9302] Martin Webber, “re: Simonds Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 10 Mar 2021. Hereinafter cited as “re: Simonds Family.”
- [S345] John Lodge, The peerge of Irland, or A Genealogical History of the Present Nobility of that Kingdom (Dublin: James Moore, 1789), volume 6, page 82. Hereinafter cited as The Peerge of Ireland.
- [S37] BP2003 volume 2, page 3900. See link for full details for this source. Hereinafter cited as. [S37]
- [S47] BIFR1976. [S47]
Dermot Francis Cox1
He lived in 1999 at Lee Farm Cottage, Free Street, Bishops Waltham, Hampshire, EnglandG.1
Children of Dermot Francis Cox and Heather Ann Jackson
- Naomi Josephine Cox1 b. 1995
- Peter Francis Cox2 b. 1998
- Laura Yvonne Cox2 b. 2000
Heather Ann Jackson1
From 1989, her married name became Cox.1
Children of Heather Ann Jackson and Dermot Francis Cox
- Naomi Josephine Cox1 b. 1995
- Peter Francis Cox2 b. 1998
- Laura Yvonne Cox2 b. 2000
Colonel Hon. Edward Wingfield1 
He lived at Cork Abbey, County Dublin, IrelandG.2
Child of Colonel Hon. Edward Wingfield and Harriet Esther Westenra
- Harriet Wingfield+3 d. 6 Sep 1877
