Lord Rhidian Crichton-Stuart British noble and Army officier (1917-1969) (1917–1969) Parents Augusta Crichton-Stuart, Marchioness of Bute John Crichton-Stuart, 4th Marquess of Bute Children Frederick Crichton-Stuart Mary Crichton-Stuart Jerome Crichton-Stuart Siblings Lord David Stuart John Crichton-Stuart, 5th Marquess of Bute Lord Robert Crichton-Stuart Lord Patrick Crichton-Stuart Lady Jean Crichton-Stuart Lady Mary Crichton-Stuart Partners Selina van Wijk