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 she was pursued by Francis Dereham, a secretary of the Dowager Duchess. They became lovers, addressing each other as "husband" and "wife". Dereham also entrusted Catherine with various wifely duties, such as keeping his money when he was away on business. Many of Catherine's roommates among the Dowager Duchess's maids of honour and attendants knew of the relationship, which apparently ended in 1539, when the Dowager Duchess found out. Despite this, Catherine and Dereham may have parted with intentions to marry upon his return from Ireland, agreeing to a precontract of marriage. If indeed they exchanged vows before having sexual