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 the portrait by Hans Holbein the Younger because it was the only full-sized picture available. After Catherine Howard was executed, even the Howard family removed her picture from their family portrait gallery. Debate continues about the identity of the sitter(s) for these portraits, and there is no portrait conclusively known to be of Henry's fifth queen. Most historians believe that a round portrait miniature (shown here)—which exists in two versions by Holbein (Royal Collection and Duke of Buccleuch)—is the only surviving image of Catherine painted from life (in the case of the Windsor version). The historian David Starkey dated it