Elizabeth Mortimer

Elizabeth Mortimer, Lady Percy and Baroness Camoys (12 February 1371 – 20 April 1417), was a medieval English noblewoman, the granddaughter of Lionel of Antwerp, 1st Duke of Clarence, and great-granddaughter of King Edward III. Her first husband was Sir Henry Percy, known to history as 'Hotspur'. She married secondly Thomas Camoys, 1st Baron Camoys. She is represented as 'Kate, Lady Percy,' in Shakespeare's ''Henry IV, Part 1'', and briefly again as 'Widow Percy' in ''Henry IV, Part 2''. Provided by Wikipedia