Sir Gordon Houstoun-Boswall of Blackadder, 6th Bt. (1887-1961) (1887–1961) Parents Alice Mary Cunard Thomas Houstoun-Boswall-Preston Children Alistair Houstoun-Boswall Sir Thomas Houstoun-Boswall of Blackadder, 7th Bt. Siblings Euphemia Constance Houstoun-Boswall-Preston Alistair Houstoun-Boswall-Preston Partners Daisy Copeland Waller