11. Anne, who accompanied her brother Charles to Natal, where she remained with him during the whole period of his ministry there. She afterwards followed him to Central Africa, but hearing of his death whilst ascending the Zambezi River, she returned to England, when she started and edited a monthly missionary periodical, entitled "The Net." By this, and through her own unaided efforts, she was the means of inaugurating the Memorial Mission to Zululand (in memory of her brother) of which the Bishop of Zululand is the head. She was the author of a Life of Henrietta Robertson, wife of the Chaplain of the garrison of Fort-Etchowe; and other works. She died in 1877, unmarried.
12. Katharine, who died unmarried on the 20th of March, 1832.
13. Jane, died unmarried on the 13th of February, 1820.
14. Louisa, who married William Wilson, C.A., and died on the 20th of January, 1866, without issue.
15. Alice, who married the Venerable C. S. Grubb, late Archdeacon of Natal and now Vicar of Mentmore, with issue - Sarah Louisa and Constance Ann.
Colin died on the 16th of September, 1830, and was succeeded by his eldest surviving son,
III. WILLIAM FORBES MACKENZIE, who, born on the 18th of April, 1807, was for many years M.P. for the County of Peebles, and afterwards for Liverpool. He was a Lord of the Treasury in Lord Derby's Government, and is chiefly known as the author of the "Forbes Mackenzie Act." He married, on the 16th of March, 1830, Anne, daughter of Sir James Montgomery of Stanhope, Baronet, by Lady Elizabeth Douglas, daughter of Dunbar, fourth Earl of Selkirk, with issue -
1. Colin James, his heir and successor.
2. Elizabeth Helen, who died in her ninth year.
William died on the 24th of December, 1862, and was succeeded by his only son,