▁ 1 8 th ▁con gression al ▁district . ▁Her ▁mat ernal ▁grand par ents ▁were ▁Ger tr ude ▁Ellen ▁Dup uy ▁San ford ▁and ▁the ▁Hon . ▁Henry ▁Sh el ton ▁San ford , ▁a ▁diplom at ▁appointed ▁by ▁Abraham ▁Lincoln ▁and ▁the ▁founder ▁of ▁San ford , ▁Florida . ▁Her ▁parents ▁were ▁second ▁c ous ins ; ▁their ▁grand f athers ▁were ▁brothers . ▁ ▁Ger tr ude ▁was ▁the ▁young est ▁of ▁three ▁children , ▁and ▁she , ▁her ▁brother ▁Stephen ▁San ford ▁– ▁an ▁intern ation ally ▁recognized ▁pol o ▁player ▁known ▁as ▁" L add ie " ▁– ▁and ▁her ▁sister ▁Sarah ▁Jane ▁San ford ▁were ▁said ▁to ▁have ▁been ▁the ▁insp iration ▁for ▁Philip ▁Barry ' s ▁ 1 9 2 8 ▁play ▁Hol iday , ▁The ▁play ▁was ▁made ▁into ▁a ▁ 1 9 3 0 ▁film ▁st arring ▁Ann ▁Hard ing , ▁Mary ▁Ast or , ▁and ▁Robert ▁Am es , ▁and ▁a ▁a ▁ 1 9 3 8 ▁film ▁st arring ▁Kath ar ine ▁He p burn ▁and ▁C ary ▁Grant . ▁ ▁Ger tr ude , ▁who ▁always ▁went ▁by ▁the ▁nick name ▁G ert ie , ▁was ▁re ared ▁in ▁Amsterdam , ▁N . Y . ▁and ▁in ▁a ▁Manh attan ▁town ▁house ▁on ▁East ▁ 7 2 nd ▁Street ▁half ▁a ▁block ▁from ▁Central ▁Park . ▁ ▁She ▁was ▁educated ▁at ▁Fox cro ft ▁School ▁in ▁Middle burg , ▁Virginia , ▁and ▁made ▁her ▁society ▁debut ▁after ▁gradu ating ▁in ▁