Catherine Carey Francis and Lady Knollys produced a number of offspring who survived to maturity. Of the children listed, only the last, Dudley, is known to have died in infancy: The possibility that Catherine, and perhaps her brother Henry, were illegitimate children of Henry VIII, appears in many works of fiction, including Philippa Gregory's "The Other Boleyn Girl". Catherine Carey is also a character in Gregory's "The Boleyn Inheritance", where she is sent to the royal court during the time of Queens Anne of Cleves and Catherine Howard, and in "The Virgin's Lover", where, as the mother of the seventeen-year-old Lettice Knollys,
Catherine Howard of those identified during restorations of the chapel during Queen Victoria's reign. She is commemorated on a plaque on the west wall dedicated to all those who died in the Tower. Upon hearing news of Catherine's execution, Francis I of France wrote a letter to Henry, regretting the "lewd and naughty [evil] behaviour of the Queen" and advising him that "the lightness of women cannot bend the honour of men". Catherine has been the subject of contention for modern biographies, "A Tudor Tragedy" by Lacey Baldwin Smith (1967), "Katherine Howard: A Tudor Conspiracy" by Joanna Denny (2006), "Katherine Howard: A