Donald Alan Colquhoun (1920-1992) (1920–1992) Parents Geraldine Tennant Sir Iain Colquhoun, 7th Baronet Children Catherine Colquhoun Iain Colquhoun James Colquhoun Siblings Robina Colquhoun Fiona Bryde Gore Sir Ivar Colquhoun, 8th Baronet Frances Mary Colquhoun Partners Josephine Griselda Janson