1599 Sarah Blount, Countess of Leicester, wife of Robert Sidney, Earl of Leicester by ? (location unknown to gogm)
This is her brief Wikipedia article, "Sarah Blount F, #349890, d. 1656
Sarah Blount married, firstly, Sir Thomas Smythe before 1625. She married, secondly, Robert Sydney, 1st Earl of Leicester, son of Sir Henry Sydney and Lady Mary Dudley, on 25 April 1625. She died in 1656.
She was the daughter of William Blount. From before 1625, her married name became Smythe.1 From 25 April 1625, her married name became Sydney."
Robert Sydney is the subject of a Wikipedia article.
From lisby1's photostream on flickr.