Frances Grey, Duchess of Suffolk English duchess (1517-1559) (1517–1559) Parents Mary Tudor Charles Brandon, 1st Duke of Suffolk Children Elizabeth Stokes Lady Jane Grey Katherine Grey Mary Grey Siblings Henry Brandon, 2nd Duke of Suffolk Eleanor Clifford, Countess of Cumberland Henry Brandon, 1st Earl of Lincoln Anne Brandon, Baroness Grey of Powys Charles Brandon, 3rd Duke of Suffolk Mary Brandon, Baroness Monteagle Partners Henry Grey, 1st Duke of Suffolk Adrian Stokes