3rd of Portmore William Forbes Mackenzie
1807 - 1862 (55 years)(
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- 1 3rd of Portmore William Forbes Mackenzie [1] b. 18 Apr 1807 d. 24 Sep 1862
- + Helen Ann Montgomery b. 13 Dec 1808 d. 13 Jul 1870
- + Helen Ann Montgomery b. 13 Dec 1808 d. 13 Jul 1870