▁a ▁Lord ▁of ▁the ▁Tre as ury , ▁from ▁ 1 7 9 4 ▁ 1 8 0 2 . ▁He ▁was ▁Master ▁of ▁the ▁M int ▁from ▁ 1 8 0 2 ▁to ▁ 1 8 0 4 , ▁and ▁a ▁Commission er ▁of ▁the ▁Board ▁of ▁Trade ▁in ▁ 1 8 0 5 . ▁ ▁Later ▁life ▁and ▁legacy ▁S my th ▁died ▁ 1 2 ▁February ▁ 1 8 1 1 ▁in ▁London . ▁He ▁and ▁his ▁wife ▁Georg iana ▁had ▁four ▁sons ▁and ▁two ▁daughters . ▁ ▁John ▁Henry ▁S my th , ▁of ▁He ath ▁Hall ▁( 1 7 8 0 - 1 8 2 2 ), ▁member ▁of ▁parliament ▁for ▁Cambridge , ▁whose ▁children ▁were ▁John ▁George ▁S my th , ▁of ▁He ath ▁Hall , ▁the ▁father ▁of ▁D iana ▁Elizabeth ▁S my th , ▁who ▁married ▁Henry ▁Las cell es , ▁ 4 th ▁Earl ▁of ▁H are wood ▁( 1 8 2 4 - 1 8 9 2 ) ▁and ▁was ▁mother ▁of ▁Ed win ▁Harry ▁Las cell es ▁( 1 8 6 1 - 1 9 2 4 ) ▁Daniel ▁Harry ▁Las cell es ▁( 1 8 6 2 - 1 9 0 4 ) ▁George ▁Alg ern on ▁Las cell es ▁( 1 8 6 5 - 1 9 3 2 ), ▁who ▁married ▁M abel ▁Caroline ▁El co cke ▁M asse y ▁( d ied ▁ 1 9 5 1 ) ▁and ▁was ▁the ▁father ▁of ▁Sy bil ▁Mary ▁Las cell