3. James, S.S.C., described in one of the Gairloch MSS. as "once in the service of the Earl of Morton," in the Orkneys, author of a treatise on "The General Grievances and Oppressions of the Isles of Orkney and Shetland," and of another on Security. He was himself the author of this Gairloch MS. He died unmarried in London about 1733.
IV. THOMAS MACKENZIE of Groundwater, who married Elizabeth, daughter of the Rev. William Blaw, Westray, with issue -
1. Murdoch, his heir and successor.
2. Kenneth, who succeeded his brother Murdoch.
3. Mary, married Thomas Balfour of Huip, with issue.
Thomas died before 1781, and was succeeded by his eldest son,
V. MURDOCH MACKENZIE of Groundwater, who married Miss Cox, and died without issue, when he was succeeded by his brother,
VI. KENNETH MACKENZIE, who married Anne Wolf, with issue -
1. Thomas, who succeeded his father.
2. Elizabeth, who married Louis Lavencie, London.