James Hay, 15th Earl of Erroll Scottish Earl (1726-1778) (1726–1778) Parents Lady Anne Livingston William Boyd, 4th Earl of Kilmarnock Children James Hay Lady Margaret Hay William Hay, 17th Earl of Erroll Lady Augusta Hay Lady Charlotte Hay Lady Mary Hay Lady Frances Hay Lady Isabella Hay Lady Maria Elizabeth Hay Lady Jemima Hay George Hay, 16th Earl of Erroll Lady Harriet Hay Lady Flamina Hay Siblings William Boyd, Lord Boyd William Boyd Charles Boyd Partners Rebecca Lockhart Isabella Carr
