Elizabeth I of England Plot of 1586, Elizabeth's spymaster Sir Francis Walsingham and the royal council keenly assembled a case against her. At first, Elizabeth resisted calls for Mary's death. By late 1586, she had been persuaded to sanction her trial and execution on the evidence of letters written during the Babington Plot. Elizabeth's proclamation of the sentence announced that "the said Mary, pretending title to the same Crown, had compassed and imagined within the same realm divers things tending to the hurt, death and destruction of our royal person." On 8 February 1587, Mary was beheaded at Fotheringhay Castle, Northamptonshire. After Mary's execution,
Fotheringhay Castle as well as other properties in Huntingdonshire. Possession of the castle descended through the Scottish princes until the 13th century. Shortly after King John was excommunicated, he demanded his barons send him hostages to ensure their loyalty. In 1212, he used this as leverage against David, Earl of Huntingdon and Prince of Scotland, to acquire Fotheringhay Castle. He wrote to the earl, saying "You have given us your son as a hostage, therefore we require you to yield to us your castle at Fotheringhay". This is the first documented reference to the castle. The period 1208 to 1214 saw John