This text is collapsible.
|Offspring of Hugh Percy, 1st Duke of Northumberland and Elizabeth Seymour (1716-1776)|
|Hugh Percy, 2nd Duke of Northumberland (1742-1817)|| |
|Algernon Percy, 1st Earl of Beverley (1750-1830)||21 January 1750 London, England, United Kingdom||21 October 1830 Le Mans, Sarthe, Pays de la Loire, France|| Isabella Susannah Burrell (1750-1812)|
|Elizabeth Anne Frances Percy (-1761)|
|Offspring of Hugh Percy, 1st Duke of Northumberland and Elizabeth Hungerford Keate (-)|
|James Smithson (c1765-1829)|