▁( née ▁Cham pl in ) ▁( 1 7 7 0 – 1 8 3 7 ) ▁the ▁sister ▁of ▁U . S . ▁Senator ▁from ▁Rh ode ▁Island ▁Christopher ▁G . ▁Cham pl in ▁and ▁grand son ▁of ▁Christopher ▁Cham pl in , ▁a ▁merchant , ▁ship ▁owner ▁and ▁financi er ▁of ▁New port , ▁Rh ode ▁Island . ▁T ogether , ▁they ▁were ▁the ▁parents ▁of : ▁▁ ▁Margaret ▁Cham pl in ▁Jones ▁( 1 7 9 2 – 1 8 4 8 ), ▁who ▁married ▁Benjamin ▁Under hill ▁Col es ▁in ▁ 1 8 1 7 . ▁After ▁his ▁death , ▁she ▁married ▁Hon . ▁Benjamin ▁Gor ham ▁in ▁ 1 8 2 9 . ▁ ▁Mar tha ▁Ell ery ▁Jones ▁( b . ▁ 1 7 9 4 ), ▁who ▁married ▁Isaac ▁Under ill ▁Col es , ▁the ▁brother ▁of ▁her ▁elder ▁sister ' s ▁first ▁husband , ▁Benjamin ▁Under hill ▁Col es , ▁in ▁ 1 8 2 3 . ▁ ▁Mary ▁Jones ▁( 1 7 9 5 – 1 8 3 7 ), ▁who ▁died ▁un mar ried . ▁ ▁John ▁C off in ▁Jones ▁Jr . ▁( 1 7 9 6 – 1 8 6 1 ), ▁who ▁was ▁the ▁first ▁United ▁States ▁Cons ular ▁Agent ▁to ▁the ▁Kingdom ▁of ▁Hawai i . ▁ ▁Christopher ▁Cham pl in ▁Jones ▁( b . ▁ 1 7 9 8 ) ▁ ▁Anna ▁Pow el ▁Jones ▁( b . ▁ 1 8 0 3 ) ▁ ▁Jones ▁died ▁on