Lady Katharine Howard Peerage person ID=102985 (1468–1536) Parents Thomas Howard, 2nd Duke of Norfolk Agnes Howard, Duchess of Norfolk Children Agnes Rice Thomas Rice Gruffudd Rice Siblings Anne Howard Lord Edmund Howard Lady Marcella Howard Elizabeth Boleyn, Countess of Wiltshire William Howard, 1st Baron Howard of Effingham Lady Elizabeth Howard Lord Thomas Howard Lady Dorothy Howard Richard Howard Edward Howard Thomas Howard, 3rd Duke of Norfolk Partners Henry Daubney, 1st Earl of Bridgewater Rhys ap Gruffydd