Frederick Keppel Fitzroy 
He was 81st Regiment.1
- [S37] BP2003 volume 3, page 3686. See link for full details for this source. Hereinafter cited as. [S37]
Lt.-Col. Edward Albert Fitzroy1 
He gained the rank of Lieutenant-Colonel in the Royal Artillery.2 He held the office of Justice of the Peace (J.P.) for Surrey.2 He lived at Hale Place, Farnham, Surrey, EnglandG.3
Child of Lt.-Col. Edward Albert Fitzroy and Lucy Janetta Julia Macpherson
- Eva Mary Lucy St. John FitzRoy+ b. 7 Sep 1875, d. 8 Jul 1952; only child3
Lucy Janetta Julia Macpherson1 
Her married name became Fitzroy.
Child of Lucy Janetta Julia Macpherson and Lt.-Col. Edward Albert Fitzroy
- Eva Mary Lucy St. John FitzRoy+ b. 7 Sep 1875, d. 8 Jul 1952
Eva Mary Lucy St. John FitzRoy1 
From 6 January 1903, her married name became Blacker.1
Children of Eva Mary Lucy St. John FitzRoy and Lt.-Col. Stewart Ward William Blacker
- Lt.-Col. William Desmond Blacker1 b. 20 Sep 1903, d. 11 Jul 1944
- Betty Mary Blacker+1 b. 20 Dec 1905
- Commander Robert Stewart Blacker+1 b. 21 Sep 1909, d. 17 Jan 1983
- Terence Fitzroy Blacker1 b. 15 Oct 1910, d. 6 Feb 1932
Lt.-Col. Stewart Ward William Blacker1 
He was educated at Royal Military Academy, Woolwich, Kent, EnglandG.1 He fought in the Northwest Frontier Expedition in 1897, during which he was severely wounded. He was mentioned in despatches.1 He fought in the Boer War.1 He fought in the First World War, with the 3rd Division.1 He was awarded the Distinguished Service Order (D.S.O.) in 1916.1 He raised and was the Commander of the 9th Battalion Royal Irish Fusiliers, Ulster Division.1 He was a member of the British Expeditionary Force for three years.1 He was the Commander of the 20th Reserve Royal Irish Rifles He was mentioned in despatches thrice for which he received the Légion d’Honneur.1 He gained the rank of Lieutenant-Colonel in the Royal Artillery.1 He held the office of Deputy Lieutenant (D.L.)1 He held the office of Justice of the Peace (J.P.)1 He lived at Carrickblacker, Drumaconwey, County Armagh, IrelandG.1 He lived at Woodbrook House, Enniscorthy, County Wexford, IrelandG.1
Children of Lt.-Col. Stewart Ward William Blacker and Eva Mary Lucy St. John FitzRoy
- Lt.-Col. William Desmond Blacker1 b. 20 Sep 1903, d. 11 Jul 1944
- Betty Mary Blacker+1 b. 20 Dec 1905
- Commander Robert Stewart Blacker+1 b. 21 Sep 1909, d. 17 Jan 1983
- Terence Fitzroy Blacker1 b. 15 Oct 1910, d. 6 Feb 1932
Catherine Fitzroy 
Her married name became Arundell.
W. F. Arundell
- [S37] BP2003 volume 3, page 3687. See link for full details for this source. Hereinafter cited as. [S37]
Lieutenant George William Howe Fitzroy

He gained the rank of Lieutenant in the Royal Navy.1 He fought in the Battle of Navarino on 10 October 1827.1
Arthur William Bagot Fitzroy 
He gained the rank of officer in the Bombay Cavalry.1
Commander Charles William Henry Gage Fitzroy1 
He gained the rank of Commander in the Royal Navy.1
Children of Commander Charles William Henry Gage Fitzroy and Caroline Emily Phayre
- unknown daughter Fitzroy1
- Gage Charles Fitzroy1 b. 19 Apr 1845, d. 5 Mar 1872
