Hugh Douglas, Earl of Ormonde
Hugh Douglas, Earl of Ormonde( died 1455) was a Scottish Soldier and nobleman, a member of the powerful Black Douglases.
He was the fourth son of James the Gross, 7th Earl of Douglas and his wife Beatrice, daughter of Henry II Sinclair, Earl of Orkney.
He was a younger brother of William Douglas, 8th Earl of Douglas, James Douglas, 9th Earl of Douglas, Archibald Douglas, Earl of Moray and older to John Douglas, Lord of Balvenie.
Henry I Sinclair, Earl of Orkney
Henry I Sinclair, Jarl of Orkney, Lord of Roslin( 1345 1400) was a Scottish and a Norwegian nobleman.
Sinclair held the title Earl of Orkney( which refers to Norðreyjar rather than just the islands of Orkney) under the King of Norway.
He is sometimes identified by another spelling of his surname," St. Clair".
He was the grandfather of William Sinclair, 1st Earl of Caithness, the builder of Rosslyn Chapel.
He is best known today because of a modern legend that he took part in explorations of Greenland and North America almost 100 years before Christopher Columbus.
William Thomson, in his book" The New History of Orkney", wrote:" It has been Earl Henry's singular fate to enjoy an ever- expanding posthumous reputation which has very little to do with anything he achieved in his lifetime."
Jón Magnússon, Earl of Orkney
Jón Magnússon was Earl of Orkney in 1284 – c. 1312.
Thomas FitzMaurice, 5th Earl of Orkney
Thomas married the Hon.
Charlotte Irby on 14 March 1826.
The Earl and Countess of Orkney's eldest son George William Hamilton FitzMaurice became the 6th Earl of Orkney.
Their fourth son, Alexander Temple FitzMaurice, became a Groom of the Bedchamber in 1867 and later served in the Yeomanry Cavalry.
Their fifth son, James Terence FitzMaurice (1835–1917) served in the Royal Navy and was promoted to captain in 1867.
Their daughter, Lady Maria Louisa FitzMaurice (died 1917) was the grandmother of Sir Christopher Bullock who was permanent under-secretary for the British Air Ministry.
Henry Petty-Fitzmaurice, 6th Marquess of Lansdowne
Lieutenant- Colonel Henry William Edmund Petty- Fitzmaurice, 6th Marquess of Lansdowne, DSO, MVO( 14 January 1872 – 5 March 1936), styled Earl of Kerry until 1927, was a British soldier and politician.
Hamilton Boyle, 6th Earl of Cork
Hamilton Boyle, 6th Earl of Cork and 6th Earl of Orrery( 3 February 1729 – 17 January 1764) was the son of John Boyle, 5th Earl of Cork and Lady Henrietta Hamilton.
He inherited the titles of 6th Earl of Cork and Orrery and 3rd Baron Boyle of Marston from his father in 1762.
He served in the Parliament of Great Britain as Member of Parliament( MP) for Warwick between 1751 and 1762, and represented Charleville in the Irish House of Commons between 1759 and 1760.
He was unmarried and was succeeded by his brother.
Patrick Stewart, 2nd Earl of Orkney
Patrick Stewart, Earl of Orkney, Lord of Zetland( c. 1566 – 6 February 1615) was a Scottish nobleman, the son of Robert, Earl of Orkney, a bastard son of King James V.
Infamous for his godless nature and tyrannical rule over the Scottish archipelagos of Orkney and Shetland, he was executed for treason in 1615.
Mary FitzMaurice, 4th Countess of Orkney
Mary FitzMaurice, 4th Countess of Orkney( 4 September 1755 – 30 December 1831) was a Scottish peer, the only surviving child of Murrough O'Brien, 1st Marquess of Thomond and Mary O'Brien, 3rd Countess of Orkney.
Born Mary O'Brien, she was married to the Hon. Thomas FitzMaurice, younger brother of the 1st Marquess of Lansdowne, on 21 December 1777.
Their son, born in 1778, was John FitzMaurice, Viscount Kirkwall( who was the father of the 5th Earl of Orkney, Thomas John Hamilton FitzMaurice).
She succeeded her mother on 10 May 1791.
Her husband died in 1793 with the Countess retaining possession of Cliveden, the family seat of the Earls of Orkney, now owned by the National Trust.
Anne O'Brien, 2nd Countess of Orkney
Anne Douglas- Hamilton, 2nd Countess of Orkney( 1696 – 6 December 1756) was a Scottish noblewoman and the eldest daughter of Field Marshal George Hamilton, 1st Earl of Orkney, and his wife, the former Elizabeth Villiers.
She was also known as Anne O'Brien, Countess of Inchiquin, through her marriage to her first cousin William O'Brien, 4th Earl of Inchiquin," the" O' Brien, Chief of the Name, Prince of Thomond, and Lord of Dál gCais.
They were married on 29 March 1720.
Their daughter, Lady Mary( c. 1721–1790), succeeded her mother in the earldom of Orkney.
Their other children were:
George FitzMaurice, 6th Earl of Orkney
George William Hamilton FitzMaurice, 6th Earl of Orkney (6 May 1827 – 21 October 1889), styled as Viscount Kirkwall until 1877, was a soldier and Scottish nobleman.
George FitzMaurice was the son of Thomas FitzMaurice, 5th Earl of Orkney and the Hon.
Charlotte Irby.
He married Amelia de Samuel in London in 1872.
They had no children.
He joined the 71st Highlanders Regiment as a Captain from the 92nd Regiment in 1853 and saw action in the Crimea in 1855.
He transferred to the Scots Fusilier Guards in 1856 and retired in 1857.
On his death in London, the title passed to his nephew, Edmond FitzMaurice, 7th Earl of Orkney.

Question: Which country George Fitzmaurice, 6Th Earl Of Orkney's father is from?
Answer: British