| Richard Somerset Le Poer Trench * of Clancarty * van Heusden | Adeliza Georgiana Hervey | ||
| William Frederick Le Poer Trench * of Clancarty * van Heusden | Isabel Maude Penrice Bilton | ||
| Greville Sydney Rochfort Le Poer 7th Earl, Marquis Trench * of Clancarty * van Heusden*10.12.1902, +15.9.1978 |