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
Catherine Howard aloud, as they manhandled her into the waiting barge that would escort her to the Tower on Friday 10 February 1542, her flotilla passing under London Bridge where the heads of Culpeper and Dereham were impaled (and remained until 1546). Entering through the Traitors' Gate she was led to her prison cell. The next day, the bill of attainder received Royal Assent, and Catherine's execution was scheduled for 7:00 am on Monday, 13 February 1542. Arrangements for the execution were supervised by Sir John Gage in his role as Constable of the Tower. The night before her execution, Catherine is