Acheson Johnston1
He lived at Tallyho, County Down, IrelandG.1
Major John Barnett Barker1
Child of Major John Barnett Barker
- Vera Barker+1 d. 10 Feb 1965
- [S47] BIFR1976 page 554. See link for full details for this source. Hereinafter cited as. [S47]
Archibald Hamilton Rowan1 
He was given the name of Archibald Hamilton at birth.1 He was member of the Society of United Irishmen, and took part in ‘1798’ (known as ‘Mr. Rowan’ to Wolfe Tone and his colleagues). He was sentenced to death but escaped to the U.S.A. (where he fathered several natural children.)1
Children of Archibald Hamilton Rowan and Sarah Anne Dawson
- Archibald Rowan-Hamilton2
- Jane Rowan-Hamilton2
- Elizabeth Rowan-Hamilton2
- Mildred Rowan-Hamilton2
- Harriet Rowan-Hamilton2 d. Jan 1831
- Francesca Rowan-Hamilton2 d. 1861
- Captain Gawin William Rowan-Hamilton+2 b. 1783, d. 17 Aug 1834
- Sydney Rowan-Hamilton2 b. 1789
- Frederick Rowan-Hamilton2 b. 1793, d. 1811
- Dawson Rowan-Hamilton2 b. 1801
Sidney Hamilton1
Her married name became Beresford.1
Benjamin Beresford1
- [S47] BIFR1976 page 553. See link for full details for this source. Hereinafter cited as. [S47]
Sarah Anne Dawson1
From 6 October 1781, her married name became Rowan-Hamilton.1
Children of Sarah Anne Dawson and Archibald Hamilton Rowan
- Archibald Rowan-Hamilton2
- Jane Rowan-Hamilton2
- Elizabeth Rowan-Hamilton2
- Mildred Rowan-Hamilton2
- Harriet Rowan-Hamilton2 d. Jan 1831
- Francesca Rowan-Hamilton2 d. 1861
- Captain Gawin William Rowan-Hamilton+2 b. 1783, d. 17 Aug 1834
- Sydney Rowan-Hamilton2 b. 1789
- Frederick Rowan-Hamilton2 b. 1793, d. 1811
- Dawson Rowan-Hamilton2 b. 1801
Captain Gawin William Rowan-Hamilton1 
He gained the rank of Post-Captain in the Royal Navy.1 He was appointed Companion, Order of the Bath (C.B.)1 He lived at Killyleagh Castle, County Down, IrelandG.1
Children of Captain Gawin William Rowan-Hamilton and Catherine Cockburn
- Melita Anne Rowan-Hamilton2 d. 13 Jul 1901
- Archibald Rowan Rowan-Hamilton+2 b. 9 Aug 1818
- George Rowan Rowan-Hamilton2 b. 1822, d. 4 Mar 1902
General Sir George Cockburn1 
He gained the rank of Ensign on 9 May 1781 in the 1st Regiment.2 He gained the rank of Captain-Lieutenant in 1784 in the 105th Regiment.2 He gained the rank of Captain in March 1790 in the 5th (Royal Irish) Light Dragoons.2 He gained the rank of Lieuetenant-Colonel in December 1793 in the 92nd Regiment.2 He gained the rank of Major-General in 1803.2 He gained the rank of Lieutenant-General in November 1810.2 He was appointed Knight Commander, Hanoverian Order (K.C.H.) in 1821.2 He gained the rank of General in 1821.2 He was appointed Knight Grand Cross, Hanoverian Order (G.C.H.) in 1837.2
Child of General Sir George Cockburn
Catherine Cockburn1
From 1817, her married name became Rowan-Hamilton.
Children of Catherine Cockburn and Captain Gawin William Rowan-Hamilton
- Melita Anne Rowan-Hamilton2 d. 13 Jul 1901
- Archibald Rowan Rowan-Hamilton+2 b. 9 Aug 1818
- George Rowan Rowan-Hamilton2 b. 1822, d. 4 Mar 1902
