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 miniatures only exist for queens at this period. There are no other plausible likenesses of her to compare to. Both versions have long been documented as of Catherine Howard, since 1736 for the Buccleuch version and 1739 (or at least the 1840s) for the Windsor version. A Holbein sketch (above) is also traditionally identified as being of Catherine Howard, but this is widely disputed. The contemporary Hans Holbein the Younger portrait of a woman in black (Toledo Museum of Art), was identified by Sir Lionel Cust in 1909 as Catherine Two copies of Holbein's original are extant: one at Hever