Katherine was the daughter of unknown parents. The date and place of her birth have not been found.
She had two marriages/partners. Her first husband was William Fairfax. They were married, but the date and place have not been found. They had no known children.
Her second husband was sir Richard Percy, who she married in ABT 1453 in Towton, West Yorkshire, England. They had no known children.
Note 1
daughter of Sir Alexander Neville and Katharine Eure