Mary Digby (died 1794) (d. 1794) Parents Mary Cotes Wriothesly Digby Children William Somerville Mary Somerville Hugh Somerville Kenelm Somerville, 17th Lord Somerville Julia Valenza Somerville Harriet Somerville Frances Somerville Mark Somerville, 15th Lord Somerville Siblings Jane Digby Frances Digby Elizabeth Digby Partners Hugh Somerville