Catherine Carey was born around 1520 and was a notable figure in the Tudor court of England. She was the daughter of Mary Boleyn, the sister of Anne Boleyn, making her a niece of King Henry VIII. Catherine served as a lady-in-waiting to Queen Elizabeth I and was known for her intelligence and charm. Catherine married Sir Francis Knollys, a prominent courtier, and they had several children, including Robert Knollys, who became a significant figure in the Elizabethan era. Her lineage connected her to the royal family, and she played a role in the political and social life of her time.