Marion Colquhoun Peerage person ID=30621 Parents Sir John Colquhoun of Luss Elizabeth Stewart Children Margaret Boyd Siblings Thomas Colquhoun Humphrey Colquhoun of Luss James Colquhoun Richard Colquhoun Geiles Colquhoun John Colquhoun Marjory Colquhoun Katherine Colquhoun Walter Colquhoun Partners Robert Boyd, 4th Lord Boyd