Violet Grace Cosby (died 1945) (1870–1945) Parents Robert Ashworth Godolphin Cosby Alice Sophia Elizabeth Pocock Children Arthur Cosby Trench Robert Power Trench, 4th Baron Ashtown Dudley Oliver Trench, 5th Baron Ashtown Frederic Sydney Trench Grace Mary Trench Siblings Mary Powlet Cosby Dudley Sydney Ashworth Cosby Sydney George Coventry Cosby Lilian Alice Cosby Edith Augusta Emily Cosby Aline Islay Cosby Partners Frederick Trench, 3rd Baron Ashtown