▁Mary ▁Vill iers , ▁Duch ess ▁of ▁Buck ingham ▁( 3 0 ▁July ▁ 1 6 3 8 ▁– ▁ 2 0 ▁October ▁ 1 7 0 4 ), ▁formerly ▁Mary ▁Fair f ax , ▁was ▁the ▁wife ▁of ▁George ▁Vill iers , ▁ 2 nd ▁Duke ▁of ▁Buck ingham . ▁ ▁Mary ▁was ▁the ▁daughter ▁of ▁Thomas ▁Fair f ax , ▁ 3 rd ▁Lord ▁Fair f ax ▁of ▁Camer on , ▁and ▁his ▁wife ▁Anne . ▁She ▁was ▁bapt ised ▁at ▁St ▁Mary ▁B ish oph ill ▁Junior , ▁York , ▁on ▁ 1 ▁August ▁ 1 6 3 8 . ▁During ▁the ▁ 1 6 5 0 s , ▁she ▁was ▁t utor ed ▁by ▁Andrew ▁Mar v ell . ▁ ▁Mary ▁was ▁to ▁have ▁married ▁Philip ▁Stan ho pe , ▁ 2 nd ▁Earl ▁of ▁Ch ester field , ▁but ▁developed ▁a ▁preference ▁for ▁Buck ingham , ▁whom ▁she ▁married ▁on ▁ 1 5 ▁September ▁ 1 6 5 7 ▁at ▁Bol ton ▁Per cy , ▁following ▁his ▁return ▁from ▁ex ile . ▁It ▁has ▁been ▁suggested ▁that ▁Buck ingham ' s ▁purs uit ▁of ▁Mary ▁was ▁part ▁of ▁a ▁scheme ▁to ▁reg ain ▁possession ▁of ▁his ▁father ' s ▁former ▁London ▁residence , ▁York ▁House ; ▁Fair f ax , ▁who ▁had ▁been ▁given ▁the ▁house , ▁went ▁along ▁with ▁this . ▁Buck ingham ▁remained ▁under ▁susp icion ▁by ▁the ▁government , ▁and ▁was ▁placed ▁under ▁house ▁arrest ▁a ▁few ▁weeks ▁later . ▁After ▁esc aping , ▁he