Who married Charles Howard, I Conte Di Nottingham?

Catherine Howard, Countess of Nottingham (née Carey; c. 1550 – 25 February 1603), was a cousin, lady-in-waiting, and close confidante of Elizabeth I of England. She was in attendance on the queen for 44 years.

Margaret Stuart (or Stewart) (c. 1591 – 4 August 1639), Scottish aristocrat and courtier in England. She served as lady-in-waiting to the queen consort of England, Anne of Denmark. She was the daughter of James Stewart, 2nd Earl of Moray, and Elizabeth Stuart, 2nd Countess of Moray. The sailor and patron of Ben Jonson, Sir Frances Stuart was her brother.