▁Rail road ▁in ▁Boston ▁and ▁also ▁a ided ▁the ▁John ▁Brown ▁slave ▁revol t ▁consp i racy . ▁ ▁Early ▁life ▁ ▁She ▁was ▁born ▁in ▁Kentucky ▁in ▁ 1 8 1 6 . ▁ ▁Ar ound ▁ 1 8 4 2 , ▁Har ri et ▁Bell ▁married ▁Lewis ▁Hay den ▁after ▁his ▁wife ▁and ▁children ▁had ▁been ▁sold ▁away ▁to ▁another ▁slave holder . ▁Har ri et ▁Bell ▁had ▁one ▁son ▁named ▁Jo , ▁who ▁Lewis ▁adopted ▁following ▁their ▁marriage . ▁On ▁September ▁ 2 8 , ▁ 1 8 4 4 , ▁after ▁careful ▁planning , ▁the ▁Hay dens ▁escaped ▁their ▁Kentucky ▁plant ation ▁and ▁fled ▁to ▁Canada . ▁Central ▁to ▁their ▁escape ▁was ▁the ▁assistance ▁of ▁Re ver end ▁Cal vin ▁Fair bank , ▁who , ▁following ▁their ▁escape ▁to ▁Canada ▁was ▁arrested ▁and ▁given ▁a ▁ 1 5 - year ▁sentence ▁for ▁his ▁aid ▁in ▁the ▁Hay dens ▁escape . ▁By ▁ 1 8 4 6 , ▁the ▁Hay dens ▁had ▁perman ently ▁re located ▁to ▁the ▁Be acon ▁Hill ▁neighborhood ▁of ▁Boston , ▁MA . ▁ ▁Under ground ▁Rail road ▁activ ism ▁ ▁Upon ▁re location ▁to ▁Boston , ▁Har ri et ▁and ▁Lewis ▁began ▁putting ▁significant ▁financial ▁resources ▁into ▁helping ▁black s ▁escape ▁the ▁South ▁and ▁move ▁North . ▁At ▁their ▁home , ▁Har ri et ▁opened ▁a ▁board ing house ▁where ▁she ▁hous ed ▁and ▁protected ▁escaped ▁African ▁Americans . ▁The ▁Hay den ▁household ▁shelter ed ▁hundreds ▁of ▁black s ▁seeking ▁freedom , ▁in ▁fact ,