Margaret Borthwick Peerage person ID=145417 (1565–1596) Parents unknown wife (?) William Borthwick, 2nd Lord Borthwick Children Margaret Sinclair George Sinclair of Roslin, younger Siblings Agnes Borthwick Catherine Borthwick Alexander Borthwick Adam Borthwick William Borthwick, 3rd Lord Borthwick Mary Borthwick Partners Oliver St Clair, 12th Baron of Roslin