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He is married to Frances (Lady)(Baroness Lismore of Shanbally) PONSONBY (O'CALLAGHAN).
They got married on December 13, 1774 at Dublin, Ireland, he was 34 years old.
Spouse: Cornelius O'Callaghan, 1st Baron Lismore of Shanbally
CHAN: NOTE 18:40
Child(ren):
Cornelius O'Callaghan, 1st Baron Lismore of Shanbally
Gender: Male
Birth: Jan 7 1740
Marriage: Spouse: Frances O'Callaghan (Ponsonby), Baroness Lismore of Shanbally - Dec 13 1774
Death: July 12 1797
Wife: Frances O'Callaghan (Ponsonby), Baroness Lismore of Shanbally
Child: Louisa Cavendish (born O'Callaghan)
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