Euphemia Boswall (died 1882) (1818–1882) Parents Thomas Boswall of Blackadder Children Evelyn Houstoun-Boswall William Houstoun-Boswall-Preston Sir George Houstoun-Boswall of Blackadder, 3rd Bt. Alfred Houstoun-Boswall Thomas Houstoun-Boswall-Preston Robert Houstoun-Boswall-Preston Partners Sir George Houstoun-Boswall of Blackadder, 2nd Bt.