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Father: Frederick Mason Trench
Born: Yks
Marr: 1831
Died: 1880
Mother: Harriet Georgiana Cosby
Born: 1811
Died: 1845, County Galway
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Father: William Thomas Le Poer Trench
Born: 1803
Marr: 1832
Died: 1872
Mother: Lady Sarah Juliana Butler
Born:
Died:
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 | Hon-Frederic Sydney C. Trench 
Born: -
Marr: 30 APR 1867 -
Died: UNKNOWN -
Other Spouses:
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 | Lady-Anne Le Poer Trench 
Born: -
Died: 12 MAR 1924 -
Other Spouses:
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 | 1. Frederic Oliver Trench  Born: 2 FEB 1868 - 3rd.Baron Ashtown Marr: 1894 - Violet Grace Cosby Died: 20 MAR 1946 - |  | 2. William Cosby Trench  Born: 23 JAN 1869 - Clonodfoy Castle, County Limerick Marr: 1893 - Frances Elizabeth Taylor Died: 12 MAR 1944 - |  |
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 | 3. Charlotte Anne Trench Born: 13 JAN 1871 - Marr: 1903 - Alan Theodore Smythe Died: 28 AUG 1947 - |  | 4. Sarah May Trench Born: 17 AUG 1873 - Marr: 1904 - Brig-Gen-Lewis F. Green-Wilkinson Died: 30 MAR 1934 - |  |
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 | 5. Sydney Trench Born: 9 JAN 1877 - Marr: 1905 - Elinor Mary Cox Died: 16 DEC 1905 - |  |
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