III. George Augustus Frederick Wellington, who, born in 1824, married in November, 1850, Maria Louisa, daughter of General Thomas Marriot, H.E.IC.S., and died, without issue, in 1852.
IV. Mary Frances, who married, in 1838, the Hon. Philip Anstruther,
Colonial Secretary of Ceylon, with issue.
V. Caroline Susan, who, in 1844, married John Berney Petre, and died in 1867.
VI. Louisa Caroline, who, on the 17th of November, 1858, married, as his second wife, William Bingham second Lord Ashburton, who died on the 23rd of March, 1864, with issue, an only daughter, Mary Florence, who, in 1884, married the Hon. William George Spencer Scott, Earl Compton, M.P., eldest surviving son and heir of William Douglas Compton, fourth Marquis of Northampton, born in 1851, with issue - William Bingham Lord Wilmington, born in 1885; and Lady Margaret Louisa Lizzie.
Mrs Stewart Mackenzie and her husband, on her death on the 28th of
November, 1862, were succeeded in the estates by their eldest son,
XXIII. KEITH WIILLIAM STEWART MACKENZIE,
Born on the 9th of May, 1818. He was an officer in the 90th Regiment and subsequently Colonel-Commandant of the Ross-shire Highland Rifle Volunteers. He sold what remained of Kintail in 1869. He married first, on the 17th of May, 1844, Hannah Charlotte, daughter of James Joseph Hope Vere of Craigie Hall and Blackwood, Midlothian, with issue -
I. James Alexander Francis Humberston, his heir.
II. Susan Mary Elizabeth, who on the 15th of August, 1871, married, first, the Hon. John Constantine Stanley, Colonel Grenadier Guards, second son of the Right Hon. Edward Lord Stanley of Alderley. He was born on the 30th of September, 1837, and died on the 27th of April, 1878, leaving issue - two daughters. She married, secondly, the Right Hon. Sir Francis Henry Jeune, Q.C., President of the Probate, Divorce, and Admiralty Division of the High Court of Justice, with issue - one son.
III. Julia Charlotte Sophia, who on the 8th of October, 1873, married, as his second wife, the Right Hon. Arthur, ninth Marquis of Tweeddale, who died in 1878, without issue. In 1887 she married, secondly, as his second wife, the Right Hon. Sir John Rose, Baronet, G.C.M.G., of Queensgate, London, who died in 1888, without issue. In 1892 she married, thirdly, Captain William Evans Gordon, without issue.