Frances Grey, Duchess of Suffolk, English duchess (d. 1559)
Frances Grey, Duchess of Suffolk (née Lady Frances Brandon; 16 July 1517 – 20 November 1559), was an English noblewoman, the second child and eldest daughter of King Henry VIII's younger sister, Princess Mary, and Charles Brandon, 1st Duke of Suffolk. She was the mother of Lady Jane Grey, de facto Queen of England and Ireland from 10 July until 19 July 1553, as well as Lady Katherine Grey and Lady Mary Grey.