George Carnegie, 9th Earl of Northesk

Lord Rosehill, as he then was, was commissioned into the 1st Dragoons in 1862, but transferred to the Scots Fusilier Guards as a lieutenant later the same year. He was promoted captain in 1866 and lieutenant-colonel in 1873. He retired in 1874.^[2]

He married Elizabeth Georgina Frances Elliot, daughter of Admiral Sir George Elliot and Hersey Susan Sydney Wauchope, on 28 February 1865 and had four children.

• Helen Alice Carnegie (died 1908), who married barrister Sir Francis Lacey in 1890.^[2]
• David John Carnegie, 10th Earl of Northesk (1865–1921), who married Elizabeth Boyle Hallowes, eldest daughter of Maj.-Gen. George Skene Hallowes, in 1894.^[2]
• Lt.-Col. Hon. Douglas George Carnegie (1870–1937), who married Margaret Jean Johnstone-Douglas, second daughter of Arthur Johnstone-Douglas of Lockerbie, in 1894.^[2]
• Lt. Ian Ludovic Andrew Carnegie (1881–1909), who married Anna Barbara Atkinson, youngest daughter of Col. Bradford Atkinson, in 1905. After his death, she married Capt. Reginald Dalrymple.^[2]

He rebuilt Longwood House, Hampshire, his main home. The architect was George Devey. He died on 9 September 1891 at age 47.^[2]