George Steuart Mackenzie Scottish geologist, chemist, and agriculturalist (1780–1848) Parents Katherine Ramsay Sir Alexander Mackenzie of Coul, 6th Bt. Children James Mackenzie Sir Alexander Mackenzie of Coul, 8th Bt. Sir Robert Mackenzie, 10th Baronet unknown daughter Mackenzie Donald MacLeod Mackenzie Henry Mackenzie John Mackenzie unknown daughter Mackenzie George Mackenzie Sir William Mackenzie of Coul, 9th Bt. unknown daughter Mackenzie Partners Mary MacLeod Catherine Jardine
