II. JOHN MACKENZIE, second of Ardloch, who married Sibella, daughter of Kenneth Mackenzie, I. of Dundonnel, with issue -
1. Alexander, his heir and successor.
2. Kenneth. 3. John. Nothing is known of either.
4. Annabella, and others; issue, if any, unknown.
John was succeeded by his eldest son,
III. ALEXANDER MACKENZIE, third of Ardloch, who married Margaret, daughter of Robert Sutherland of Langwell, Caithness, twelfth in descent from William de Sutherland, fifth Earl of Sutherland, by his wife, the Princess Margaret Bruce, sister and heir of David II., King of Scotland, with issue -
1. James, a Major in the army, who married a daughter of Mackenzie of Fairburn, with issue - one son, who died before his father.
2. Robert, of Milnmount, Colonel H.E.I.C.S., married first, a daughter of Mackenzie of Bayfield, without male issue; and secondly, Katharine, daughter of Colonel Sutherland of Uppat, with issue - Sir Alexander Mackenzie, Lieutenant-Colonel H.E.I.C.S., who, on the 30th of October, 1826, assumed the dormant Baronetcies of Tarbat and Royston, as heir male collateral of Sir Kenneth Mackenzie, brother of John, second Earl of Cromarty. On the 17th of August at Tam, in the same year, he was served nearest and lawful heir male to George, first Earl of Cromarty. He died, unmarried, in 1841 (his father, Colonel Robert, having died in 1809), and was succeeded in the Baronetcies by his next brother, Sir James Sutherland Mackenzie, who in 1858 also died without issue. Sir James' sister, Elizabeth, married Lieutenant Sutherland, Royal Navy, with issue; and his sister, Margaret, married the Rev. James H. Hughes, Chaplain H.E.I.C.S., Bombay, with issue. On the death of Sir James the Baronetcies and other dignities of the Cromarty family reverted to his cousin, the late John Mackenzie, Lochinver, son of Kenneth Mackenzie, Ledbeg, Assynt, who, however, never assumed the titles.
3. George, minister in Caithness, who died at sea, unmarried, in 1825.
4. Kenneth, of Ledbeg, who married, first, a daughter of Mackenzie of Elphin, with issue - (1) the late John of Lochinver, heir male to the Tarbat and Cromarty honours, twice married, without issue; (2) Robert; (3) James; (4) Charles; and (5) Royston, all of whom died without surviving issue; (6) Jane; (7) Georgina; (8) Jessie, who married the Rev. John Kennedy, minister of Redcastle, who died in 1841, with issue, one of whom was the Rev. John Kennedy, D.D., late Free Church minister of Dingwall.