caption death_date children name parents birth_date spouse image article_title birth_name
amelia osborne , painted by françois-hubert drouais 27 january 1784 george , countess of chichester francis osborne , 1st baron godolphin osborne augusta leigh , 6th duke of leeds mary pelham the marchioness of carmarthen robert darcy , 4th earl of holderness mary doublet 12 october 1754 francis john `` mad jack '' byron -lrb- m. 1779 -- osborne 84 ; her death -rrb- , marquess of carmarthen 1773 1779 div françois-hubert_drouais _ - . jpg amelia osborne , marchioness of carmarthen
 lady amelia darcy
amelia osborne , marchioness of carmarthen

amelia osborne -lrb- née darcy -rrb- , marchioness of carmarthen and `` de jure '' 12th baroness darcy de knayth and 9th baroness conyers and 5th countess of mértola -lrb- 12 october 1754 -- 27 january 1784 -rrb- was a british peer and a portuguese countess .
amelia was the only child of the robert darcy , 4th earl of holderness and his wife , mary doublet .
on 29 november 1773 , she married francis osborne , marquess of carmarthen and they had three children : lord `` george '' william frederick osborne -lrb- 21 july 1775 -- 10 july 1838 -rrb- , 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 -lrb- 1776 -- 1862 -rrb- ; married thomas pelham , 2nd earl of chichester -lrb- 28 april 1756 -- 4 july 1826 -rrb- in 1801 and had issue .
lord `` francis '' osborne -lrb- 18 october 1777 -- 15 february 1850 -rrb- , 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 -lrb- father of the poet , lord byron -rrb- 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 -lrb- although this was n't confirmed until 1798 , long after her death -rrb- and also inherited the portuguese countship of mértola from him .
on her own death in 1784 , they were inherited by her eldest son , george .
