He married Elizabeth ( 1770 -- 1845 ) , the youngest daughter of Peter Dobree of Beauregarde , Guernsey . He married Elizabeth ( 1770 -- 1845 ) , youngest daughter of Peter Dobree of Beauregarde , Guernsey . He married Peter Dobree ( 1770 - 1845 ) , youngest daughter of Elizabeth of Beauregarde , Guernsey .