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 who had sufficiently distanced himself from the scandal by retreating to Kenninghall to write a grovelling letter of apology. The Duke of Norfolk's son Henry Howard, Earl of Surrey, a poet, remained a favourite of the King. The Duke, knowing his family had fallen from grace, wrote an apology on 14 December to the King, excusing himself and laying all the blame on his niece and stepmother. All of the Howard prisoners were tried, found guilty of concealing treason, and sentenced to life imprisonment and forfeiture of goods. In time, they were released with their goods restored. The King sank