| Bio | Lieutenant Colonel John Macdonell of Greenfield was an aide-de-camp to British Major General Sir Isaac Brock during the War of 1812, dying in the Battle of Queenston Heights.2 |
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| Born | 1785 Apr 191 |
| Died | 1812 Oct 141 |
| Occupation | lawyer1 |
| Cause of death | Unknown |
| Status | Confirmed: John Macdonell is a 27 Club member |
