Harriet Georgiana Cosby (1813-1845) (1813–1845) Parents Thomas Cosby Charlotte Elizabeth Kelly Children Harriette Mary Trench Frederic Trench Charlotte Elizabeth Trench Cosby Godolphin Trench Siblings Thomas Phillips Cosby Sydney Cosby Wellesley Pole Cosby William Cosby Frances Elizabeth Cosby Partners Frederick Trench, 2nd Baron Ashtown