Lord Charles FitzRoy (British Army officer)
General Lord Charles FitzRoy( 17 July 1764 – 20 December 1829) was a British Army officer and politician.
Lord Augustus FitzRoy
Lord Augustus FitzRoy (16 October 171624 May 1741) was a British officer of the Royal Navy.
He served during the War of the Austrian Succession, and was involved in the capture of the Spanish ship of the line, "Princesa", a major prize in the war.
He was also the father of Augustus FitzRoy, 3rd Duke of Grafton, who became Prime Minister of Great Britain.
Charles FitzRoy, 2nd Duke of Grafton
Charles FitzRoy, 2nd Duke of Grafton,( 25 October 1683 – 6 May 1757) was an Irish and English politician.
Charles FitzRoy, 3rd Baron Southampton
Charles FitzRoy, 3rd Baron Southampton( 28 September 1804 – 16 July 1872) was a British peer.
Ismania FitzRoy, Baroness Southampton
Ismania Catherine FitzRoy, Baroness Southampton(" née" Nugent; 23 September 1838 – 18 August 1918) was an Irish aristocrat, the wife of Charles FitzRoy, 3rd Baron Southampton.
She served as Lady of the Bedchamber to Queen Victoria.
William Bagot, 2nd Baron Bagot
William Bagot, 2nd Baron Bagot( 11 September 1773 – 12 February 1856), was a British peer.
William Bagot was born in London, the eldest son of William Bagot, 1st Baron Bagot, and his second wife Elizabeth Louisa St John.
He was educated at Westminster School and matriculated at Christ Church, Oxford, on 10 November 1791.
He married twice; firstly the Hon. Emily Fitzroy, daughter of Lt- Gen Charles Fitzroy, 1st Baron Southampton, on 30 May 1799, and secondly( after the death in 1800 of his first wife) Lady Louisa Legge, daughter of George Legge, 3rd Earl of Dartmouth, on 17 February 1807.
He succeeded to his titles of 7th Baronet Bagot, of Blithfield, and 2nd Baron Bagot, of Bagot's Bromley, on 22 October 1798.
He had one child, Louisa Barbara, who died in infancy, by his first wife and six children, Louisa Frances, Agnes, William( his successor), Hervey Charles, Eleanor and Alfred Walter, by his second.
He was invested as a Fellow of Society of Antiquaries and then in 1834 awarded the honorary degree of Doctor of Civil Law( D.C.L.) by Oxford University.
He wrote a book in 1823" Memorials of the Bagot Family" detailing the Bagot family genealogy up to that point.
Lord Bagot died at the family home in Blithfield, Staffs, and was succeeded in his titles by William Bagot, 3rd Baron Bagot.
Hugh FitzRoy, 11th Duke of Grafton
Hugh Denis Charles FitzRoy, 11th Duke of Grafton (3 April 1919 – 7 April 2011) was the son of Charles FitzRoy, 10th Duke of Grafton, and his first wife Lady Doreen Maria Josepha Sydney Buxton, second daughter of Sydney Buxton, 1st Earl Buxton.
He was known from 1936 to 1970 as the Earl of Euston.
Charles FitzRoy (British Army officer)
General the Honourable Charles FitzRoy (5 September 1762 – 18 October 1831) was a British Army officer.
Charles FitzRoy, 1st Baron Southampton
Charles FitzRoy, 1st Baron Southampton (25 June 1737 – 21 March 1797) was a British Army officer who served in the Seven Years' War and a politician who sat in the House of Commons from 1759 to 1780 when he was raised to the peerage as Baron Southampton.
The second son of Lord Augustus FitzRoy and a grandson of the 2nd Duke of Grafton, FitzRoy joined the 1st Regiment of Foot Guards as an ensign in 1752.
He fought at the Battles of Minden and Kirchdenkern during the Seven Years' War and rose to the ranks of Captain in 1756 and Lieutenant-Colonel in 1758.
He was a Groom of the Bedchamber from 1760–62 and Whig MP (later Tory from 1770–83 and thereafter a Whig again) for Orford from 1759–61, for Bury St Edmunds from 1761–74 and for Thetford from 1774-80.
On leaving the post of Queen Charlotte's Vice-Chamberlain in 1780 (a post he had held since 1768), he was created Baron Southampton on 17 October 1780 and was succeeded by his eldest son, George, upon his death in 1797.
Arthur Hill-Trevor, 3rd Viscount Dungannon
Arthur Hill Trevor( 1798 –1862), of Whittlebury, Northamptonshire, was an English Conservative Party politician.
He was born in affluent Berkeley Square, London, on 9 November 1798 and was the only surviving son of Arthur Hill- Trevor, second Viscount( 1763 – 1837), by Charlotte, third daughter of Charles FitzRoy, first Baron Southampton.
He became a Member of Parliament( MP) for the New Romney in 1830 – 11 March 1831, for Durham City in 1831 – 1832, and for Durham in 1835 – 1841 and 5 April 1843 – 14 July 1843.

Question: Which country Charles Fitzroy, 1St Baron Southampton's father is from?
Answer: Great Britain