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,
The Execution of Lady Jane Grey and Catherine Howard had been executed. The painting indicates either that Delaroche was not familiar with this aspect of the event and has constructed the location according to his historical knowledge of other such events, or that he chose to take a great deal of artistic license. In the picture, the execution is taking place upon a raised wooden platform similar to those on which executions of royalty and nobility had taken place in the French Revolution. The edge of this platform can be seen, draped with a black cloth, across the foreground of the picture. At the rear of