On 29 January 1536, when Anne miscarried a son, the king began to reflect again on the biblical prohibitions that had haunted him during his marriage with Catherine of Aragon. Shortly after the miscarriage, the king started to take an interest in Jane Seymour. By 24 April, he had commissioned Cromwell to prepare the case for a divorce. Unaware of these plans, Cranmer had continued to write letters to Cromwell on minor matters up to 22 April. Anne was sent to the Tower of London on 2 May, and Cranmer was urgently summoned by Cromwell. On the very next day, Cranmer wrote a letter to the king expressing his doubts about the queen's guilt, highlighting his own esteem for Anne. After it was delivered, Cranmer was resigned to the fact that the end of Anne's marriage was inevitable. On 16 May, he saw Anne in the Tower and heard her confession and the following day, he pronounced the marriage null and void. Two days later, Anne was executed; Cranmer was one of the few who publicly mourned her death.