1. | Elizabeth (of Devonshire) Cavendish and died. Family/Spouse: John (Rt Hon) Ponsonby. John (son of Barbazon (1st Earl of Bessborough) Ponsonby and Sarah Margetson) died on 12 Dec 1789. [Group Sheet] [Family Chart]
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2. | William Brabazon (of Imokilly) 1st Baron Ponsonby ![]() William married Louisa Molesworth on 26 Dec 1769. Louisa (daughter of 3rd Viscount Molesworth) and died. [Group Sheet] [Family Chart]
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3. | Frances Ponsonby ![]() Frances married Cornelius (1st Baron Lismore Shanbally) O'callaghan on 25 May 1827. Cornelius (son of Thomas O'callaghan and Sarah Davis) was born on 7 Jan 1740; died on 12 Jul 1797. [Group Sheet] [Family Chart]
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4. | John (of Imokilly) 2nd Baron Ponsonby ![]() |
5. | Cornelius (1st Viscount Lismore) O'callaghan ![]() |
6. | Louisa O'callaghan ![]() Family/Spouse: William Cavendish, MP. William (son of George Augustus (1st Earl of Burlington) Cavendish and Elizabeth Compton) was born on 10 Jan 1783; died on 14 Jan 1812. [Group Sheet] [Family Chart]
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7. | George Henry Compton Cavendish ![]() George married Louisa Lascelles on 4 Jul 1835. Louisa (daughter of Henry (2nd Earl of Harewood) Lascelles and Henrietta Sebright) was born in 1813; died on 10 Mar 1886. [Group Sheet] [Family Chart]
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