Catherine Carey a biographer of Mary Boleyn, Alison Weir, claims that a young Catherine stayed overnight to entertain and distract her aunt Anne in the Tower the morning before the execution are not correct. Catherine went on to become Maid of Honour to both Anne of Cleves and Catherine Howard, the fourth and fifth wives of Henry VIII. On 26 April 1540 she married Sir Francis Knollys. Her husband was named a Knight of the Garter in 1593, although he had already been knighted in 1547. He was also Treasurer of the Royal Household. From the time of her marriage, Catherine became
Catherine Howard with Henry's favourite male courtier, Thomas Culpeper, a young man who "had succeeded [him] in the Queen's affections", according to Dereham's later testimony. Culpeper called Catherine "my little, sweet fool" in a love letter; she considered marrying him during her time as a maid-of-honour to Anne of Cleves. The couple's meetings were arranged by one of Catherine's older ladies-in-waiting, Jane Boleyn, Viscountess Rochford (Lady Rochford), the widow of Catherine's executed cousin, George Boleyn, Anne Boleyn's brother. During the autumn Northern Progress, a crisis began to loom over Catherine's conduct. People who had witnessed her earlier indiscretions while still a ward