5. Mary, who died unmarried.
6. Eliza, who married, first, David Dick, of Glenshiel.
7. Isabella, who married Archibald Dick, with issue.
8. Sarah, who died unmarried.
9. Jemima, who died unmarried.
Major Colin died in 1824, and was succeeded by his eldest son,
V. COLIN MACKENZIE, fifth of Mountgerald, who died, in Jamaica without issue, when he was succeeded by his next brother,
VI. ALEXANDER MACKENZIE, sixth of Mountgerald, who also died without issue, and was succeeded by his next brother,
VII. SIMON FRASER MACKENZIE, seventh of Mountgerald, a Lieutenant-Colonel in the Madras Cavalry. He married, first, a daughter of Colonel Pendergast, with issue - an only daughter, Mary. He married, secondly, Margaret, daughter of General Stewart without issue. In 1855, he sold Mountgerald to Lewis Mark Mackenzie of Findon, who died unmarried in 1856.