She had committed adultery with Thomas Culpeper during the marriage, and she had flirted with members of his court.
In 1541, during a royal tour of the provinces, it was alleged that King Henry's fifth wife, Queen Catherine Howard, committed her first act of adultery with Sir Thomas Culpeper at Pontefract Castle, a crime for which she was apprehended and executed without trial.
Thomas Jefferson | Thomas Edison | Thomas | Thomas Hardy | Thomas Mann | Thomas Aquinas | Clarence Thomas | Thomas Gainsborough | Dylan Thomas | Thomas Pynchon | St. Thomas | Saint Thomas, U.S. Virgin Islands | Thomas Carlyle | Thomas the Tank Engine | Thomas Moore | Thomas Cromwell | Thomas Becket | Thomas the Apostle | Thomas Merton | Thomas Tallis | Thomas Paine | Roy Thomas | Thomas Telford | Thomas More | Thomas Wentworth, 1st Earl of Strafford | Ryan Thomas | C. Thomas Howell | Thomas Kean | Thomas Gage | Thomas Eakins |