Battle of Wakefield
She was married twice. By her first husband William Bonville, 6th Baron Harington of Aldingham, she was the mother of Cecily Bonville, who became the wealthiest heiress in England following the deaths in the Battle of Wakefield of Katherine's husband, her father-in-law; and less than two months later, of William Bonville's grandfather, William Bonville, 1st Baron Bonville who was executed following the Yorkist defeat at the Second Battle of St Albans. Katherine's second husband was William Hastings, 1st Baron Hastings, a powerful noble who was beheaded in 1483 on the order of King Richard III, who placed Katherine directly under his protection.