8 5 3 ), ▁whose ▁father ▁Samuel ▁Park man ▁( August ▁ 2 2 , ▁ 1 7 5 1 J une ▁ 1 1 , ▁ 1 8 2 4 ) ▁was ▁the ▁original ▁source ▁of ▁capital ▁upon ▁which ▁her ▁husband ▁built ▁one ▁of ▁the ▁wealth iest ▁and ▁largest ▁business ▁enter pr ises ▁in ▁Boston ▁at ▁that ▁time . ▁George ▁Park man ▁( F ebru ary ▁ 1 9 , ▁ 1 7 9 0 Nov ember ▁ 2 3 , ▁ 1 8 4 9 ), ▁a ▁wealth y ▁Boston ▁phys ician ▁who ▁was ▁murder ed ▁in ▁ 1 8 4 9 ▁in ▁a ▁gru esome ▁and ▁highly ▁public ized ▁case , ▁was ▁Elizabeth ' s ▁brother . ▁ ▁Shaw ▁was ▁good ▁friends ▁with ▁his ▁cousin , ▁American ▁historian ▁Francis ▁Park man ▁Junior ▁( Se ptember ▁ 1 6 , ▁ 1 8 2 3 Nov ember ▁ 8 , ▁ 1 8 9 3 ), ▁and ▁the ▁pair ▁travel led ▁together ▁to ▁the ▁American ▁West ▁after ▁gradu ating ▁from ▁Harvard ▁University ▁in ▁ 1 8 4 5 . ▁Park man ' s ▁ 1 8 4 9 ▁book , ▁The ▁Oregon ▁Tra il : ▁Sk etch es ▁of ▁Pra irie ▁and ▁Rock y - Mount ain ▁Life ▁is ▁dedicated ▁to ▁Shaw . ▁ ▁Shaw ' s ▁older ▁brother ▁Francis ▁George ▁Shaw ▁( Oct ober ▁ 2 3 , ▁ 1 8 0 9 Nov ember ▁ 7 , ▁ 1 8 8 2 ) ▁was ▁an ▁out sp oken ▁advoc