Elizabeth Harriet Siddons (born 1804) (1804–1877) Parents Harriet Siddons Henry Siddons Children W. M. Crosby Siddons Mair Frances Helenor Barroneau Mair Harriet Sarah Siddons Mair Sarah Mair Elizabeth Harriot Mair Col. William Crosby Siddons Mair Siblings William Siddons Sarah Siddons Henry Siddons Partners Arthur Mair