Margaret Borthwick Peerage person ID=126006 (1388–1464) Parents NN Hay, of Locherworth Sir William Borthwick, 1st of Borthwick Children Laurence Abernethy, 1st Lord Saltoun of Abernethy William Abernethy, 7th of Saltoun Siblings Sir William Borthwick of that ilk Janet Borthwick George Borthwick John Borthwick Partners Sir William Abernethy of Saltoun, younger