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 of Siena court and writing letters to persuade others. For many years she had accustomed herself to a rigorous abstinence. She received the Holy Eucharist almost daily. This extreme fasting appeared unhealthy in the eyes of the clergy and her own sisterhood. Her confessor, Blessed Raymond, ordered her to eat properly. But Catherine claimed that she was unable to, describing her inability to eat as an "infermità" (illness). From the beginning of 1380, Catherine could neither eat nor swallow water. On February 26 she lost the use of her legs. Catherine died in Rome, on 29 April 1380, at the age of