Catherine Borthwick Peerage person ID=145322 (b. 1482) Parents William Borthwick, 4th Lord Borthwick Margaret Hay Children Margaret Crichton William Crichton of Frendraught Siblings Thomas Borthwick, Master of Borthwick Margaret Borthwick Janet Borthwick John Borthwick, 5th Lord Borthwick Partners Sir James Crichton of Frendraught