Katherine Stuart English nobeweoman and conspirator (1620-1650) (1620–1650) Parents Elizabeth Home Theophilus Howard, 2nd Earl of Suffolk Children Charles Stewart, 3rd Duke of Richmond Katherine Stuart, Baroness Clifton (of Leighton Bromswold) Siblings Thomas Howard Elizabeth Howard Lady Margaret Howard Lady Anne Howard Lady Frances Howard Robert Howard Henry Howard, 5th Earl of Suffolk James Howard, 3rd Earl of Suffolk George Howard, 4th Earl of Suffolk Partners James Livingston, 1st Earl of Newburgh George Stewart, 9th Seigneur d'Aubigny
