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 the portrait by Hans Holbein the Younger because it was the only full-sized picture available. After Catherine Howard was executed, even the Howard family removed her picture from their family portrait gallery. Debate continues about the identity of the sitter(s) for these portraits, and there is no portrait conclusively known to be of Henry's fifth queen. Most historians believe that a round portrait miniature (shown here)—which exists in two versions by Holbein (Royal Collection and Duke of Buccleuch)—is the only surviving image of Catherine painted from life (in the case of the Windsor version). The historian David Starkey dated it