Agnes Howard, Duchess of Norfolk Agnes Howard, Duchess of Norfolk Agnes Howard (née Tilney) (c. 1477 – May 1545) was the second wife of Thomas Howard, 2nd Duke of Norfolk. Two of King Henry VIII's Queens were her step-granddaughters, Anne Boleyn, and Catherine Howard. After her mother's death, Catherine Howard was in the Dowager Duchess's care during her youth, and as a result of the Duchess's lax guardianship, committed sexual indiscretions while in the Duchess's household which led to her execution as Queen. Agnes' brother, Sir Philip Tilney of Shelley (d.1533), was the paternal grandfather of Edmund Tilney (1535/6–1610), Master of the Revels to Queen
Agnes Howard, Duchess of Norfolk life imprisonment and loss of goods, although most were pardoned after Queen Catherine's execution. The Dowager Duchess, although included in the indictment, was not brought to trial as she was 'old and testy', and 'may die out of perversity to defraud the King's Highness of the confiscation of her goods', but like the others she was sentenced to imprisonment and forfeiture of lands and goods. On 6 February 1542 a bill of attainder against Queen Catherine and Lady Rochford received final reading, and on 13 February 1542 the Queen and Lady Rochford were beheaded on Tower Green. The King was