▁the ▁staff ▁of ▁Robert ▁E . ▁Lee . ▁It ▁is ▁now ▁used ▁as ▁the ▁residence ▁of ▁the ▁president ▁of ▁Long wood ▁University .) ▁His ▁grand father , ▁Peter ▁John ston , ▁em igr ated ▁to ▁Virginia ▁from ▁Scotland ▁in ▁ 1 7 2 6 . ▁Joseph ▁was ▁the ▁sevent h ▁son ▁of ▁Judge ▁Peter ▁John ston ▁Jr . ▁( 1 7 6 3 – 1 8 3 1 ) ▁and ▁Mary ▁Valent ine ▁Wood ▁( 1 7 6 9 – 1 8 2 5 ), ▁a ▁nie ce ▁of ▁Patrick ▁Henry . ▁He ▁was ▁named ▁for ▁Major ▁Joseph ▁E gg l eston , ▁under ▁whom ▁his ▁father ▁served ▁in ▁the ▁American ▁Revolution ary ▁War , ▁in ▁the ▁command ▁of ▁Light - Hor se ▁Harry ▁Lee . ▁His ▁brother ▁Charles ▁Clement ▁John ston ▁served ▁as ▁a ▁con gress man , ▁and ▁his ▁nep hew ▁John ▁War field ▁John ston ▁was ▁a ▁sen ator ; ▁both ▁represented ▁Virginia . ▁In ▁ 1 8 1 1 , ▁the ▁John ston ▁family ▁moved ▁to ▁Ab ing don , ▁Virginia , ▁a ▁town ▁near ▁the ▁Tennessee ▁border , ▁where ▁his ▁father ▁Peter ▁built ▁a ▁home ▁he ▁named ▁Pan ec illo . ▁ ▁John ston ▁attended ▁the ▁United ▁States ▁Military ▁Academy , ▁nominated ▁by ▁John ▁C . ▁Cal h oun ▁in ▁ 1 8 2 5 ▁while ▁he ▁was ▁Secretary ▁of ▁War . ▁He ▁was ▁moder ately ▁successful ▁at ▁academ ics ▁and ▁received ▁only ▁a ▁small ▁number ▁of ▁discipl inary ▁de mer its . ▁He ▁graduated ▁in ▁ 1