James FitzWalter Clifford-Butler, 15th/25th Baron Dunboyne1 
He was given the name of James FitzWalter Butler at birth.1 On 13 November 1860 his name was legally changed to James FitzWalter Clifford-Butler by Royal Licence. He gained the rank of Colonel in the 2nd Monmouth Rifle Volunteers.1 He held the office of Deputy Lieutenant (D.L.) of Devon.1 He held the office of Justice of the Peace (J.P.) for Monmouthshire.1 He held the office of Deputy Lieutenant (D.L.) of Monmouthshire.1 He succeeded as the 25th Baron Dunboyne [I., 1324] on 22 March 1881.1 He succeeded as the 15th Baron Dunboyne, co. Meath [I., 1541] on 22 March 1881.1 He lived at Knoppogue Castle, Quin, County Clare, IrelandG.1
Child of James FitzWalter Clifford-Butler, 15th/25th Baron Dunboyne and Marion Clifford
- Hon. Rosalinda Catherine Sophia Clifford-Butler1 b. 25 Apr 1861, d. 21 Apr 1953
- [S37] BP2003 volume 1, page 1216. See link for full details for this source. Hereinafter cited as. [S37]
Marion Clifford1 
From 12 June 1860, her married name became Butler. From 13 November 1860, her married name became Clifford-Butler.1 After her marriage, Marion Clifford was styled as Baroness Dunboyne on 22 March 1881.
Child of Marion Clifford and James FitzWalter Clifford-Butler, 15th/25th Baron Dunboyne
- Hon. Rosalinda Catherine Sophia Clifford-Butler1 b. 25 Apr 1861, d. 21 Apr 1953
- [S37] BP2003 volume 1, page 1216. See link for full details for this source. Hereinafter cited as. [S37]
Hon. Rosalinda Catherine Sophia Clifford-Butler1 
From 30 April 1883, her married name became Peters.
- [S37] BP2003 volume 1, page 1216. See link for full details for this source. Hereinafter cited as. [S37]
Maj.-Gen. William Henry Brooke Peters1 
He gained the rank of Major-General in the 4th Hussars.1 He lived at Harefield, Devon, EnglandG.1
- [S37] BP2003 volume 1, page 1216. See link for full details for this source. Hereinafter cited as. [S37]
Hon. Theobald FitzWalter Butler1 
He gained the rank of Captain in the Clare Militia.1 He held the office of Justice of the Peace (J.P.)1
- [S37] BP2003 volume 1, page 1216. See link for full details for this source. Hereinafter cited as. [S37]
Robert St. John FitzWalter Butler, 16th/26th Baron Dunboyne1 
He graduated from Trinity College, Dublin University, Dublin, County Dublin, IrelandG, with a Bachelor of Arts (B.A.)1 He held the office of Master of the Court of Judicature.1 He was a practising barrister.1 He held the office of Representative Peer [Ireland] in 1874.1 He held the office of Deputy Lieutenant (D.L.) of Middlesex.1 He held the office of Deputy Lieutenant (D.L.) of County Clare.1 He held the office of Justice of the Peace (J.P.) for County Clare.1 He lived at Knoppogue Castle, Quin, County Clare, IrelandG.1 He succeeded as the 16th Baron Dunboyne, co. Meath [I., 1541] on 17 August 1899.1 He succeeded as the 26th Baron Dunboyne [I., 1324] on 17 August 1899.1 He held the office of King’s Remembrancer before 1905.1
Children of Robert St. John FitzWalter Butler, 16th/26th Baron Dunboyne and Caroline Maude Blanche Probyn
- Hon. Lavinia Alice Julia Butler+1 b. 17 Dec 1869, d. 24 Sep 1965
- Hon. Maude Celestina Butler1 b. 9 Jun 1872, d. 10 Dec 1952
- FitzWalter George Probyn Butler, 17th/27th Baron Dunboyne+1 b. 20 Mar 1874, d. 9 May 1945
- Brig.-Gen. Hon. Leslie James Probyn Butler+1 b. 22 Apr 1876, d. 31 Dec 1955
- Hon. Blanche Amy Charlotte Butler1 b. 3 Aug 1878, d. 28 Jan 1961
- Hon. Rosalinda Laetitia Butler+1 b. 24 Jan 1881, d. 1 Aug 1940
- Major Hon. Robert Thomas Rowley Probyn Butler1 b. 8 Oct 1882, d. 14 Dec 1938
- Colonel Hon. Theodore Patrick Probyn Butler1 b. 3 Jul 1884, d. 18 Oct 1970
Captain George Probyn1
Child of Captain George Probyn
- Caroline Maude Blanche Probyn+1 d. 11 Jan 1927
- [S37] BP2003 volume 1, page 1216. See link for full details for this source. Hereinafter cited as. [S37]
Caroline Maude Blanche Probyn1 
From 9 February 1869, her married name became Butler.1 After her marriage, Caroline Maude Blanche Probyn was styled as Baroness Dunboyne on 17 August 1899.
Children of Caroline Maude Blanche Probyn and Robert St. John FitzWalter Butler, 16th/26th Baron Dunboyne
- Hon. Lavinia Alice Julia Butler+1 b. 17 Dec 1869, d. 24 Sep 1965
- Hon. Maude Celestina Butler1 b. 9 Jun 1872, d. 10 Dec 1952
- FitzWalter George Probyn Butler, 17th/27th Baron Dunboyne+1 b. 20 Mar 1874, d. 9 May 1945
- Brig.-Gen. Hon. Leslie James Probyn Butler+1 b. 22 Apr 1876, d. 31 Dec 1955
- Hon. Blanche Amy Charlotte Butler1 b. 3 Aug 1878, d. 28 Jan 1961
- Hon. Rosalinda Laetitia Butler+1 b. 24 Jan 1881, d. 1 Aug 1940
- Major Hon. Robert Thomas Rowley Probyn Butler1 b. 8 Oct 1882, d. 14 Dec 1938
- Colonel Hon. Theodore Patrick Probyn Butler1 b. 3 Jul 1884, d. 18 Oct 1970
- [S37] BP2003 volume 1, page 1216. See link for full details for this source. Hereinafter cited as. [S37]
FitzWalter George Probyn Butler, 17th/27th Baron Dunboyne1 
He fought in the Vitu Expedition in 1890.2 He succeeded as the 17th Baron Dunboyne, co. Meath [I., 1541] on 29 August 1913.2 He succeeded as the 27th Baron Dunboyne [I., 1324] on 29 August 1913.1 He fought in the First World War in 1914.2 He gained the rank of Captain in the Royal Navy.2
Children of FitzWalter George Probyn Butler, 17th/27th Baron Dunboyne and Isolde Butler Tower
- Patrick Theobald Tower Butler, 18th/28th Baron Dunboyne+2 b. 27 Jan 1917, d. 19 May 2004
- Hon. Doreen Synolda Tower Butler+2 b. 17 Feb 1918, d. 16 Aug 2008
- Hon. Maureen Maude Tower Butler+2 b. 12 Jun 1919, d. 12 Jan 2007
- Hon. Isolde Sheila Tower Butler+2 b. 24 Apr 1925, d. 24 Apr 2006
Brig.-Gen. Hon. Leslie James Probyn Butler1 
He fought in the Boer War in 1900.1 He fought in the First World War in 1914, where he was mentioned in despatches six times.1 He was Colonel of the 2nd Battalion, Irish Guards in 1916.1 He was awarded the Distinguished Service Order (D.S.O.) in 1916.1 He was appointed Companion, Order of St. Michael and St. George (C.M.G.) in 1917.1 He gained the rank of Honorary Brigadier-General in 1922.1 He held the office of Deputy Lieutenant (D.L.) of Devon in 1930.1
Children of Brig.-Gen. Hon. Leslie James Probyn Butler and Mary Christal Heathcoat-Amory
- Anne Christal Butler+1 b. 6 Jan 1909, d. 1981
- Lt.-Col. James Dighton Butler+ b. 9 Jan 1911, d. 12 Mar 1987
- Bridget Mary Butler1 b. 8 Dec 1912, d. 13 Jun 1956