Reverend James Trench1 
He bought land in County Cavan.1 He was the Rector at Clongell, County Meath, IrelandG.1
He had six other children.2
Child of Reverend James Trench and Margaret Montgomery
- Anna Trench+1 b. 1613, d. 1664
Frederic Trench1 
In 1690 he bought more land from the Commissioners for the Sale of Forfeited Estates.1 He lived at Garbally, County Galway, IrelandG.1
Children of Frederic Trench and Elizabeth Warburton
- Reverend John Trench+1
- William Trench+3
- Lucy Trench3 d. c 18 Feb 1758
- Frederick Richard Trench+1 b. 1681, d. 1752
- [S37] BP2003 volume 1, page 792. See link for full details for this source. Hereinafter cited as. [S37]
- [S86] 2nd Earl of Clancarty Richard Le Poer Trench, Memoir of the Le Poer Trench Family (Dublin, Ireland: privately, 1874), page 5. Hereinafter cited as Memoir of the Le Poer Trench Family.
- [S86] 2nd Earl of Clancarty Richard Le Poer Trench, Memoir of the Le Poer Trench Family, page 8.
Elizabeth Warburton 
Her married name became Trench.2
Children of Elizabeth Warburton and Frederic Trench
- Reverend John Trench+2
- William Trench+3
- Lucy Trench3 d. c 18 Feb 1758
- Frederick Richard Trench+2 b. 1681, d. 1752
- [S3217] John O’Grady, “re: Pigot Family,” e-mail message to BENR, 17 July 2008 and 6 June 2009. Hereinafter cited as “re: Pigott Family.”
- [S37] BP2003 volume 1, page 792. See link for full details for this source. Hereinafter cited as. [S37]
- [S86] 2nd Earl of Clancarty Richard Le Poer Trench, Memoir of the Le Poer Trench Family (Dublin, Ireland: privately, 1874), page 8. Hereinafter cited as Memoir of the Le Poer Trench Family.
Richard Warburton1 
He was Assistant Clerk of the Irish Privy Council between 1661 and 1666.2 He held the office of Member of Parliament (M.P.) for Ballyshannon [Ireland] between 1677 and 1679.2 He held the office of Member of Parliament (M.P.) for Ballyshannon [Ireland] between 1703 and 1713.2 He lived at Garryhinch, County Laois, IrelandG.1
Children of Richard Warburton and Anne L’Estrange
- Anne Warburton+1 d. 1744
- Elizabeth Warburton+
- Susannah Warburton2
- Richard Warburton2 b. 1664, d. 16 Jan 1716
Richard Trench1 
He gained the rank of Colonel in the Militia Dragoons of County Galway.3 He held the office of Member of Parliament (M.P.) (Whig) for County Galway [Ireland] in 1761.1 He lived at Garbally, County Galway, IrelandG.4
Children of Richard Trench and Frances Power
- Elizabeth Power Trench1 b. 1736
- Hester Power Trench+1 b. 1736
- Frederick Trench1 b. b 1741
- David Trench1 b. b 1741
- William Power Keating Trench, 1st Earl of Clancarty+1 b. 23 Jun 1741, d. 27 Apr 1805
- Rose Power Trench1 b. 1746
- Major John Power Trench1 b. 1748
- Lt.-Gen. Eyre Power Trench1 b. 1749, d. 14 Apr 1820
- Jane Power Trench1 b. 1752
- Nicholas Power Trench+1 b. 1754, d. 31 Aug 1824
- Anne Power Trench+1 b. 1755, d. 1835
- [S37] BP2003 volume 1, page 792. See link for full details for this source. Hereinafter cited as. [S37]
- [S86] 2nd Earl of Clancarty Richard Le Poer Trench, Memoir of the Le Poer Trench Family (Dublin, Ireland: privately, 1874), page 13. Hereinafter cited as Memoir of the Le Poer Trench Family.
- [S86] 2nd Earl of Clancarty Richard Le Poer Trench, Memoir of the Le Poer Trench Family, page 8.
- [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 218. Hereinafter cited as The Complete Peerage.
Frances Power1 
Her married name became Trench.
Children of Frances Power and Richard Trench
- Elizabeth Power Trench1 b. 1736
- Hester Power Trench+1 b. 1736
- Frederick Trench1 b. b 1741
- David Trench1 b. b 1741
- William Power Keating Trench, 1st Earl of Clancarty+1 b. 23 Jun 1741, d. 27 Apr 1805
- Rose Power Trench1 b. 1746
- Major John Power Trench1 b. 1748
- Lt.-Gen. Eyre Power Trench1 b. 1749, d. 14 Apr 1820
- Jane Power Trench1 b. 1752
- Nicholas Power Trench+1 b. 1754, d. 31 Aug 1824
- Anne Power Trench+1 b. 1755, d. 1835
- [S37] BP2003 volume 1, page 792. See link for full details for this source. Hereinafter cited as. [S37]
- [S86] 2nd Earl of Clancarty Richard Le Poer Trench, Memoir of the Le Poer Trench Family (Dublin, Ireland: privately, 1874), page 8. Hereinafter cited as Memoir of the Le Poer Trench Family.
- [S86] 2nd Earl of Clancarty Richard Le Poer Trench, Memoir of the Le Poer Trench Family, page 13.
David Power1
He lived at Coorheen, County Galway, IrelandG.1
Child of David Power and Elizabeth Keating
- Frances Power+1 b. 1716, d. 1793
- [S37] BP2003 volume 1, page 792. See link for full details for this source. Hereinafter cited as. [S37]
Elizabeth Keating1
Child of Elizabeth Keating and David Power
- Frances Power+1 b. 1716, d. 1793
- [S37] BP2003 volume 1, page 792. See link for full details for this source. Hereinafter cited as. [S37]
Frederick Richard Trench1 
He held the office of High Sheriff of County Galway in 1703.3 He gained the rank of Colonel in 1715 in the Galway Militia.2 He held the office of Member of Parliament (M.P.) for County Galway [Ireland] between 1715 and 1752.2,3 He lived at Garbally, County Galway, IrelandG.2
Children of Frederick Richard Trench and Elizabeth Eyre
- Eyre Trench+2 d. 1775
- Elizabeth Trench+2
- Jane Trench4
- Rose Trench4
- Emily Trench+4
- Mary Trench4
- Mabel Trench4
- Frederick Trench5
- Richard Trench+2 b. 1710, d. 1768
- Venerable William Trench+2 b. 1729, d. 1790
- [S37] BP2003 volume 3, page 3849. See link for full details for this source. Hereinafter cited as. [S37]
- [S37] BP2003. [S37]
- [S86] 2nd Earl of Clancarty Richard Le Poer Trench, Memoir of the Le Poer Trench Family (Dublin, Ireland: privately, 1874), page 7. Hereinafter cited as Memoir of the Le Poer Trench Family.
- [S86] 2nd Earl of Clancarty Richard Le Poer Trench, Memoir of the Le Poer Trench Family, page 20.
- [S87] Thomas Richard Frederick Cooke-Trench, A Memoir of the Trench Family (n.p.: privately, 1897), page 34. Hereinafter cited as Memoir of the Trench Family.
Elizabeth Eyre1 
From 7 September 1703, her married name became Trench.
Children of Elizabeth Eyre and Frederick Richard Trench
- Eyre Trench+1 d. 1775
- Elizabeth Trench+1
- Jane Trench4
- Rose Trench4
- Emily Trench+4
- Mary Trench4
- Mabel Trench4
- Frederick Trench5
- Richard Trench+1 b. 1710, d. 1768
- Venerable William Trench+1 b. 1729, d. 1790
- [S37] BP2003 volume 1, page 792. See link for full details for this source. Hereinafter cited as. [S37]
- [S47] BIFR1976 page 396. See link for full details for this source. Hereinafter cited as. [S47]
- [S86] 2nd Earl of Clancarty Richard Le Poer Trench, Memoir of the Le Poer Trench Family (Dublin, Ireland: privately, 1874), page 7. Hereinafter cited as Memoir of the Le Poer Trench Family.
- [S86] 2nd Earl of Clancarty Richard Le Poer Trench, Memoir of the Le Poer Trench Family, page 20.
- [S87] Thomas Richard Frederick Cooke-Trench, A Memoir of the Trench Family (n.p.: privately, 1897), page 34. Hereinafter cited as Memoir of the Trench Family.
