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 miniatures only exist for queens at this period. There are no other plausible likenesses of her to compare to. Both versions have long been documented as of Catherine Howard, since 1736 for the Buccleuch version and 1739 (or at least the 1840s) for the Windsor version. A Holbein sketch (above) is also traditionally identified as being of Catherine Howard, but this is widely disputed. The contemporary Hans Holbein the Younger portrait of a woman in black (Toledo Museum of Art), was identified by Sir Lionel Cust in 1909 as Catherine Two copies of Holbein's original are extant: one at Hever