4. Major Duncan Henry of the Madras Horse Artillery, who married Mary, daughter of Lachlan Mackinnon of Corry, Isle of Skye, with issue - George William Mackinnon, who died unmarried, and Lieutenant-Colonel Lachlan Mackinnon of the Madras Army, who died unmarried. Major Duncan died in 1834.
5. George of Drynie, a solicitor in Dingwall. He married Catherine, daughter of John Macrae, Sheriff of Dingwall, with issue - John, a surgeon in the Madras Army, who died unmarried in 1872; the Rev. George William, English Chaplain at Frankfort, who married Fanny Taylor; Charles, who died unmarried; Duncan Anne, who married Thomas Ballantine, with issue - a daughter; Elizabeth Proby, who married the Rev. W. Hutchins, Vicar of Louth, Lincolnshire, with issue; Isabella, who married the Rev. William Baden Powell, Vicar of Newick, Sussex; and Margaret, unmarried. The last-named three daughters are now dead and their father, George of Drynie, died in 1865.
6. John, a solicitor in Tam. He married Christian, daughter of Captain Kenneth Mackenzie, of Kerrisdale, third son of Sir Alexander Mackenzie, third Baronet and N. of Gairloch, with issue - George, who died young; and Kenneth, who died unmarried. John died in 1852.
7. Mary Proby, who married James Macdonell, W.S., without issue.
8. Elizabeth, who married Thomas Simpson, son of the minister of Avoch, with issue - two sons and two daughters, all dead.
9. Anne, who died unmarried.
George died in 1802 (his wife dying in 1832), and was succeeded by his eldest son,
IV. WILLIAM MACKENZIE, M.D., of the H.E.I.C.S., fourth of Pitlundie and third of Culbo. He married Margaret (who died in 1841), daughter of Thomas Allan, with issue -
1. George Kenneth, who died young.
2. William Ord, M.D., Deputy-Inspector-General of Army Hospitals, who became his father's heir.