David Carnegie, 3rd Earl of Northesk
David Carnegie, 3rd Earl of Northesk( 1643 – 1688) was born the son of David Carnegie, 2nd Earl of Northesk and Lady Jean Maule, daughter of Patrick Maule, 1st Earl of Panmure in November 1643.
He married Elizabeth Lindsay, daughter of John Lindsay, 17th Earl of Crawford and Lady Margaret Hamilton, on 2 September 1669 and had two children:
George Carnegie, 6th Earl of Northesk
Admiral George Carnegie, 6th Earl of Northesk( 1716–1792) was born the son of David Carnegie, 4th Earl of Northesk and Lady Margaret Wemyss on 2 August 1716.
He died on 20 January 1792 at age 75.
He married Anne Melville, daughter of Alexander Melville, 5th Earl of Leven and Elizabeth Monypenny, on 30 April 1748 and had six children:
David Carnegie, 5th Earl of Northesk
David Carnegie, 5th Earl of Northesk( 11 June 1701 – 24 June 1741) was the son of David Carnegie, 4th Earl of Northesk and Lady Margaret Wemyss.
He died at the age of 40, unmarried.
He had, by Isabel Rarity, a son, Sylvester who was born on 16 January 1732, and married Margaret Peter on 9 June 1755.
David Carnegie, 2nd Earl of Northesk
David Carnegie, 2nd Earl of Northesk was born the son of John Carnegie, 1st Earl of Northesk and Magdalen Haliburton before 1627.
He died on 12 December 1679.
He married Lady Jean Maule, daughter of Patrick Maule, 1st Earl of Panmure, on 19 October 1637 and had seven children:
By his third son, Patrick, he is the seventh great- grandfather of the 15th Earl of Northesk.
David Carnegie, 10th Earl of Northesk
David John Carnegie, 10th Earl of Northesk (1865 – 1921), a Scottish representative peer, was born the son of Lt.-Col. George Carnegie, 9th Earl of Northesk and Elizabeth Georgina
Frances Elliot on 1 December 1865.
He died on 5 December 1921 at age 56.
He married Elizabeth Boyle Hallowes, daughter of Maj.-Gen.
George Skene Hallowes, on 3 February 1894 and had two children:
William Carnegie, 7th Earl of Northesk
Admiral William Carnegie, 7th Earl of Northesk GCB( 19 April 1758 – 28 May 1831) was born at Bruntsfield in Edinburgh to Admiral George Carnegie, 6th Earl of Northesk and Anne Melville.
Charles Carnegie, 11th Earl of Southesk
Charles Alexander Bannerman Carnegie, 11th Earl of Southesk( 23 September 1893 – 16 February 1992), styled The Honourable Charles Carnegie before 1905 and Lord Carnegie between 1905 and 1941, was the husband of Princess Maud, a granddaughter of King Edward VII.
John Carnegie, 12th Earl of Northesk
John Douglas Carnegie, 12th Earl of Northesk( 16 February 1895 – 22 July 1975) inherited the earldom in 1963.
Carnegie was born the son of Lt.- Col. Hon. Douglas Carnegie and Margaret Jean Johnstone- Douglas on 16 February 1895.
He was educated at Gresham's School, Holt and King ’s College, Cambridge, and served in World War I of 1914 – 1918( mentioned in despatches), Captain( temporary Major), 95th( Hants Yeomanry) Brigade, Royal Field Artillery( TA).
Carnegie married Dorothy May Campion, daughter of Colonel Sir William Robert Campion and Katherine Mary Byron, on 20 July 1920.
They had four children:
In 1963, Carnegie inherited the earldom from his first cousin David Carnegie, 11th Earl of Northesk, who had died childless.
David Carnegie, 4th Earl of Northesk
David Carnegie, 4th Earl of Northesk( 1675 – 14 January 1729) was a Scottish peer and politician.
He was born the son of David Carnegie, 3rd Earl of Northesk and Elizabeth Lindsay.
He was invested as a Privy Councillor of Scotland in 1698 and held the office of Sheriff of Forfar in 1702.
He held the office of Lord Commissioner of Treasury for Scotland from 1705 until 1708.
He served as a representative peer between 1708 and 1715 and was Commissioner of Trade and Manufacturers in 1711.
He married Lady Margaret Wemyss, daughter of James Wemyss, Lord Burntisland and Margaret Wemyss, 3rd Countess of Wemyss, on 29 January 1697 and had five children:
David Carnegie, 11th Earl of Northesk
David Ludovic George Hopetoun Carnegie, 11th Earl of Northesk (24 September 1901 – 7 November 1963) was elected a Scottish representative peer.
He was also a skeleton competitor who won a bronze medal at the 1928 Winter Olympics.
Carnegie was the son of David Carnegie, 10th Earl of Northesk and Elizabeth Boyle Hallowes.
He was born at 6 Hans Crescent, London SW1 and educated at St. Aubyns Preparatory School, Rottingdean and Gresham's School, Holt.
He succeeded his father as 11th earl on 5 December 1921 and won a bronze medal in skeleton at the 1928 Winter Olympics.
From 1921 to 1923 he was on the supplementary list or reserve of Officers for the Coldstream Guards.
On 19 July 1923 he married Jessica Ruth Brown, they divorced in 1928.
He then married Elizabeth Vlasto, daughter of Anthony Augustus Vlasto, on 7 August 1929.
During the Second World War he served in the Intelligence Corps and was demobilised as a Major in 1945, having finished his war time service at the Intelligence Corps Depot.
He later farmed at Beer Farm, Binfield, Bracknell, Berkshire, as well as his parliamentary duties.
He died childless in November 1963, and was succeeded by his first cousin John Carnegie, 12th Earl of Northesk.
Northesk was one of a group of men who re-founded Reading Society of Model Engineers after WW2.

Question: Who is David Carnegie, 11Th Earl Of Northesk's paternal grandfather?
Answer: George Carnegie, 9th Earl of Northesk