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
Lord Edmund Howard years of ineffectual service, where he achieved very little, and earned even less. Howard died on 19 March 1539, a year before his daughter, Catherine Howard, became queen of England. His widow, Margaret, was among the ladies appointed to serve her stepdaughter when her household was formed in August 1540. Margaret later married Henry Manock. Although Steinman conjectured that Margaret Mundy's third husband was the Henry Manox, who had been music master to Catherine Howard in her youth, and had been involved in sexual indiscretions with her which later contributed to her downfall, Bindoff established that Margaret Mundy's third husband,