Frederick Trench, 3rd Baron Ashtown Irish Baron (1868-1946) (1868–1946) Parents Lady Anne Le Poer Trench Frederic Trench Children Frederic Sydney Trench Grace Mary Trench Robert Power Trench, 4th Baron Ashtown Dudley Oliver Trench, 5th Baron Ashtown Arthur Cosby Trench Siblings Sarah May Trench William Cosby Trench Sydney Trench Charlotte Anne Trench Partners Violet Grace Cosby