Ancestorium Family Tree Collaboration
Family: William Petty, 1st Marquess of Lansdowne / Louisa Fitzpatrick (F51450)
m. 19 Jul 1779John Fitzmaurice, 1st Earl of Shelburne (1706-1761) 
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| John FitzPatrick, 1st Earl of Upper Ossory (1719-1758)
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Evelyn Leveson-Gower (1725-1763)
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| William Petty, 1st Marquess of Lansdowne (1737-1805)
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| Louisa Fitzpatrick (1755-1789)
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Henry Petty-Fitzmaurice, 3rd Marquess of Lansdow (1780-1863)  |