Sir William Borthwick of that ilk

Scottish landowner and administrator (1385–1449)

Parents

• Sir William Borthwick, 1st of Borthwick
• NN Hay, of Locherworth

Children

• Janet Borthwick
• William Borthwick, 1st Lord Borthwick

Siblings

• John Borthwick
• George Borthwick
• Janet Borthwick
• Margaret Borthwick