Amelia Osborne, Marchioness of Carmarthen

Who was Amelia Osborne, Marchioness of Carmarthen?

Amelia Osborne, Marchioness of Carmarthen and de jure 12th Baroness Darcy de Knayth and 9th Baroness Conyers and 5th Countess of Mértola was a British peeress and a Portuguese countess.

Amelia was the only child of the Robert Darcy, 4th Earl of Holderness and his wife, Mary. On 29 November 1773, she married Francis Osborne, Marquess of Carmarthen and they had three children:

⁕Lord George William Frederick Osborne, later 6th Duke of Leeds; married Lady Charlotte Townshend, daughter of the 1st Marquess Townshend, on 17 August 1797 and had issue.

⁕Lady Mary Henrietta Juliana Osborne; married Thomas Pelham, 2nd Earl of Chichester in 1801 and had issue.

⁕Lord Francis Osborne, later 1st Baron Godolphin; married The Hon. Elizabeth Eden, third daughter of the 1st Baron Auckland, on 31 March 1800 and had issue.

Lord and Lady Carmarthen divorced in May 1779 and a month later, Amelia then married John "Mad Jack" Byron and they had one daughter, Augusta Leigh. A year earlier, Amelia had inherited the right to her father's baronies of Darcy de Knayth and Conyers and also inherited the Portuguese countship of Mértola from him. On her own death in 1784, they were inherited by her eldest son, George.