Biography
Amelia Darcy, 12th Baroness Darcy de Knayth, 9th Baroness Conyers, 5th Countess of Mértola, was born 12 October 1754 to Robert Darcy, 4th Earl of Holderness (1718-1778) and Mary Doublet (c1721-1801) and died 26 January 1784 of unspecified causes. She married Francis Godolphin Osborne, 5th Duke of Leeds (1751-1799) 29 November 1773 in London, England, United Kingdom. She married John Byron (1756-1791) 1 June 1779 in London, England, United Kingdom.
Children
| Name | Birth | Death | Joined with |
| George William Frederick Osborne, 6th Duke of Leeds (1775-1838) | 21 July 1775 London, England, United Kingdom | 10 July 1838 London, England, United Kingdom | Charlotte Townshend (1776-1856) |
| Mary Henrietta Juliana Osborne (1776-1862) | |||
| Francis Godolphin Osborne, 1st Baron Godolphin (1777-1850) | 18 October 1777 | 15 February 1850 | Elizabeth Charlotte Eden (1780-1847) |
| Name | Birth | Death | Joined with |
| Augusta Byron (c1784-1851) | |||
Footnotes (including sources)
| ‡ General |
| ₪ Wedding |
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