Admiral Robert O’Brien1 
Children of Admiral Robert O’Brien and Anne O’Brien
- Catherine Maria O’Brien+3 d. 12 Apr 1900
- Lucy O’Brien2
Anne O’Brien1 
Children of Anne O’Brien and Admiral Robert O’Brien
- Catherine Maria O’Brien+2 d. 12 Apr 1900
- Lucy O’Brien2
Donough Acheson O’Brien1 
Children of Donough Acheson O’Brien and Marianne Lydia Semple
Marianne Lydia Semple1 
Her married name became O’Brien.
Children of Marianne Lydia Semple and Donough Acheson O’Brien
William Semple1
Child of William Semple
- Marianne Lydia Semple+2 d. 1 Jan 1843
Katherine O’Brien1 
Her married name became FitzGerald.
Gerald FitzGerald1 
He held the office of Deputy Lieutenant (D.L.) of Queen’s County.2 He lived at Coolanowle, County Laois, IrelandG.
Anne Maria O’Brien1 
From 11 September 1810, her married name became Spooner.
Child of Anne Maria O’Brien and Venerable William Spooner
- William Spooner+3 b. 14 Jul 1811, d. 19 May 1880
- [S37] BP2003 volume 2, page 2036. See link for full details for this source. Hereinafter cited as. [S37]
- [S37] BP2003. [S37]
- [S8950] Richard Wigram, “re: Goodwin Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 20 Mar 2020. Hereinafter cited as “re: Goodwin Family.”
Charlotte Sophia O’Brien1 
From February 1806, her married name became Noel.
Children of Charlotte Sophia O’Brien and Reverend Gerard Thomas Noel
- Anna Sophia Noel2 d. 17 Feb 1857
- Charlotte Christiana Noel+2 d. 19 Dec 1848
- Emma Noel2 d. 10 Oct 1843
- Elizabeth Welman Noel2 d. 26 Sep 1868
- unknown daughter Noel2
- unknown daughter Noel2
George William Hamilton FitzMaurice, 6th Earl of Orkney1 
He was commissioned in 1845, in the service of the 92nd Highlanders.1 He was Aide-de-Camp to the Commissioner of the Ioanian Islands between 1851 and 1854.1 He fought in the Siege of Sebastopol.1 He gained the rank of Captain in the 71st Foot.1 He gained the rank of Captain between 1856 and 1857 in the Scots Fusilier Guards.1 He wrote the book Four Years in the Ionian Islands, published 1864.1 He was appointed Companion, Order of St. Michael and St. George (C.M.G.) in 1866.1 He was appointed Knight Commander, Order of St. Michael and St. George (K.C.M.G.) in 1875.1 He succeeded as the 6th Viscount Kirkwall [S., 1696] on 16 May 1877.1 He succeeded as the 6th Earl of Orkney [S., 1696] on 16 May 1877.1 He succeeded as the 6th Baron Dechmont [S., 1696] on 16 May 1877.1 He was appointed Representative Peer [Scotland] between 1885 and 1889.1
- [S37] BP2003 volume 2, page 3024. See link for full details for this source. Hereinafter cited as. [S37]