Sir Alexander Alwyne Henry Charles Brinton Muir Mackenzie of Delvine, 7th Bt. (born 1955) (b. 1955) Parents Charmian Cecil de Vere Brinton Sir Robert Henry Muir Mackenzie of Delvine, 6th Bt. Children Archie Robert David Muir Mackenzie of Delvine, younger Georgina Mary Muir Mackenzie Siblings Charmain Miranda Muir Mackenzie Diarmid Cecil Brinton Glencairn-Campbell Partners Susan Carolyn Hayter