Margaret of Valois wrote novels.
Margaret of Valois . While imprisoned , she took advantage of the time to write her memoirs , which included a succession of stories relating to the disputes of her brothers Charles IX and Henry III with her husband . Her life has inspired a variety of stories over the centuries , beginning with William Shakespeare 's early comedy Love 's Labour 's Lost , which was in fact written within her lifetime , to Alexandre Dumas , père 's 1845 novel La Reine Margot ; to a 1994 movie La Reine Margot .