Lady Ailsa Mackay born 1977; daughter of Peter Mackay, 4th Earl of Inchcape, and Georgina Nisbet (b. 1977) Parents Peter Mackay, 4th Earl of Inchcape Georgina Nisbet Children Cecily Stonor Henry Stonor Ralph Stonor Siblings Lady Elspeth Pease Mackay Fergus James Kenneth Mackay, Viscount Glenapp Partners William Stonor, 8th Baron Camoys