Sir Malcolm Colquhoun, 9th Baronet British aristocrat, landowner and school administrator (b. 1947) Parents Sir Ivar Colquhoun, 8th Baronet Kathleen Duncan Children Patrick Colquhoun Georgina Colquhoun Siblings Torquil Colquhoun Iona Campbell, Duchess of Argyll Partners Susan Timmerman Katharine Mears