William Borthwick, 4th Lord Borthwick

Scottish nobleman (1490–1543)

Parents

• William Borthwick, 3rd Lord Borthwick

Children

• John Borthwick, 5th Lord Borthwick
• Margaret Borthwick
• Janet Borthwick
• Catherine Borthwick
• Thomas Borthwick, Master of Borthwick

Siblings

• Gavin Borthwick of Fenton
• Catherine Borthwick

Partners

• Margaret Hay