William Howard, 1st Baron Howard of Effingham English courtier and diplomat (1510–1573) (1510–1573) Parents Agnes Howard, Duchess of Norfolk Thomas Howard, 2nd Duke of Norfolk Children Charles Howard, 1st Earl of Nottingham Agnes Howard William Howard Mary Howard Douglas Sheffield, Baroness Sheffield Frances Seymour, Countess of Hertford Martha Howard Siblings Lord Edmund Howard Elizabeth Boleyn, Countess of Wiltshire Lady Elizabeth Howard Lord Thomas Howard Lady Dorothy Howard Edward Howard Thomas Howard, 3rd Duke of Norfolk Anne Howard Richard Howard Lady Katharine Howard Lady Marcella Howard Partners Katherine Broughton Margaret Gamage