Diana Macdonald (1769-1845) (1769–1845) Parents Elizabeth Diana Bosville Alexander Macdonald, 1st Baron Macdonald Children Archibald Sinclair Julia Sinclair Helen Sinclair John Sinclair Alexander Sinclair William Sinclair Catherine Sinclair George Sinclair Siblings Alexander Macdonald, 2nd Baron Macdonald Archibald Macdonald William Macdonald Annabella Macdonald Elizabeth Macdonald John Sinclair Macdonald Godfrey Macdonald, 3rd Baron Macdonald of Sleat James Macdonald Dudley Stewart Erskine Macdonald Partners Sir John Sinclair, 1st Baronet