William Borthwick, 2nd Lord Borthwick Scottish diplomat (1428–1503) Parents unknown wife (?) William Borthwick, 1st Lord Borthwick Children Mary Borthwick Catherine Borthwick Margaret Borthwick Alexander Borthwick Adam Borthwick William Borthwick, 3rd Lord Borthwick Agnes Borthwick Siblings John Borthwick, 1st of Crookston Agnes Borthwick Margaret Borthwick Alexander Borthwick Sir Thomas Borthwick James Borthwick Partners unknown wife (?)