Catherine died on 3 January 1437, shortly after childbirth, in London, and was "buried in the old Lady chapel" of Westminster Abbey. While the death date is not in question the cause is, with an equal number of records stating that she did not die as a result of childbirth, but entered Bermondsey Abbey, possibly seeking a cure for an illness that had troubled her for some time. She made her will just three days before her death. She now rests at Westminster Abbey in Henry V's Chantry Chapel. After her death, Catherine's enemies decided to proceed against Owen for violating the law of the remarriage of the queen dowager. Owen appeared before the council, was subsequently arrested, and taken to Newgate Prison. He tried to escape from Newgate Prison in early 1438 and eventually ended up at Windsor Castle in July of that year.