Lord David Stuart (1911-1970) (1911–1970) Parents Augusta Crichton-Stuart, Marchioness of Bute John Crichton-Stuart, 4th Marquess of Bute Children Flora Stuart Rose Stuart Siblings Lady Jean Crichton-Stuart Lady Mary Crichton-Stuart Lord Rhidian Crichton-Stuart Lord Patrick Crichton-Stuart Lord Robert Crichton-Stuart John Crichton-Stuart, 5th Marquess of Bute Partners Ursula Packe