1. John, his heir and successor.
2. James, a midshipman, H.E.I.C.S., who died unmarried.
3. Murdo, a doctor, H.E.I.C.S., who also died unmarried.
4. Hector, who was an Officer of Customs at the Cape of Good Hope, and afterwards succeeded his brother in the estate of Letterewe.
5. Donald Alexander, who in early life emigrated to the United States, and of whom presently.
6. Jessie, who married Donald Macdonald, Lochinver, who afterwards went to the Cape of Good Hope and died at Southsea in 1888, leaving issue - (1) Donald, C.E., at the Cape, who married, and has issue - two sons and a daughter. (2) Alexander James, of Milland, Hants, who, in 1866, married Caroline, daughter of John Heugh, of Port Elizabeth, South Africa, with issue - Ione and Thyra. (3) Murdo, who, in 1869, married Laura, daughter of J. Foley, sculptor, London, with issue - Flora; Alexander; Charles; Somerled; and Ronald. (4) Katherine, who in 1849 married the late James Somers Kirkwood, merchant at Port Elizabeth, Cape of Good Hope, with issue - (1) Donald, who married first, in 1866, Helen, daughter of Thomas Read, of Trouse, Norwich, with issue - Donald. He married, secondly, Cornelia, daughter of R. Restall, of Uitenhague, South Africa, with issue - Hector and Hellen; (2) Charles; (3) Alexander; (4) Reginald; (5) Annie, who married Archibald Merilees, Moscow; and (6) Jessie, who married Walter Somerville Lockhart, of Clydesdale, with issue - Lawrence.
7. Katherine, who died unmarried.
8. Emily, who resided in London, unmarried.
Alexander was succeeded by his eldest son,
VI. JOHN MACKENZIE, a Writer to the Signet, in Edinburgh, where he died unmarried, and was succeeded by his eldest surviving brother,