Sir Alexander Mackenzie of Coul, 5th Bt. Peerage person ID=504453 (d. 1792) Parents Sir Colin Mackenzie of Coul, 4th Bt. Henrietta Houston Children Henrietta Mackenzie Margaret Mackenzie Sir Alexander Mackenzie of Coul, 6th Bt. Stewart Mackenzie Siblings William Mackenzie of Achilty and Kinnahaird Anne Mackenzie Partners Janet Macdonald