▁and ▁was ▁in def at ig able ▁in ▁the ▁dis charge ▁of ▁all ▁the ▁duties ▁of ▁his ▁various ▁and ▁honor able ▁stations ▁in ▁life . ▁He ▁left ▁a ▁di ary , ▁which ▁he ▁began ▁in ▁his ▁youth , ▁soon ▁after ▁he ▁left ▁college , ▁and ▁continued ▁nearly ▁to ▁the ▁time ▁of ▁his ▁dece ase . ▁It ▁was ▁in ▁the ▁possession ▁of ▁his ▁grand son , ▁Ros set er ▁Cot ton , ▁Register ▁of ▁De eds ▁for ▁the ▁county ▁of ▁P ly mouth . ▁ ▁Cot ton ▁wrote ▁a ▁supp lement ▁to ▁the ▁New ▁England ▁Memorial ▁and ▁" V oc ab ul ary ▁of ▁the ▁Massachusetts ▁( or ▁Nat ick ) ▁Indian ▁language ", ▁now ▁in ▁the ▁hands ▁of ▁the ▁Massachusetts ▁Historical ▁Society . ▁ ▁Des c end ants ▁ ▁William ▁C ushing ▁( 1 7 3 2 – 1 8 1 0 , ▁grand son ▁of ▁Cot ton , ▁Chief ▁Justice ▁appointed ▁by ▁George ▁Washington - decl ined ), ▁John ▁Cot ton ▁( 1 7 1 2 – 1 7 8 9 , ▁son ▁of ▁Cot ton , ▁Register ▁of ▁De eds ▁and ▁Tre as urer ▁of ▁P ly mouth , ▁MA ), ▁Col . ▁The oph ilus ▁Cot ton ▁( 1 7 1 6 – 1 7 8 2 , ▁son ▁of ▁Cot ton ), ▁Ros set er ▁Cot ton ▁( 1 7 5 8 – 1 8 3 7 , ▁grand son ▁of ▁Cot ton , ▁Register ▁of ▁De eds ▁and ▁Tre as urer ▁of ▁P ly mouth , ▁MA ),