▁rights . ▁He ▁also ▁wrote ▁several ▁popular ▁books ▁about ▁growing ▁up ▁in ▁Dak ota ▁culture ; ▁some ▁were ▁translated ▁into ▁European ▁languages ▁and ▁published ▁on ▁the ▁Cont inent . ▁ ▁In ▁ 1 8 3 5 , ▁while ▁station ed ▁at ▁West ▁Point , ▁S eth ▁East man ▁married ▁a ▁second ▁time , ▁to ▁Mary ▁Hend erson , ▁daughter ▁of ▁a ▁sur geon ▁there . ▁ ▁She ▁and ▁her ▁family ▁were ▁from ▁W arr ent on , ▁Virginia . ▁ ▁They ▁had ▁five ▁children ▁together , ▁some ▁born ▁during ▁East man ' s ▁extended ▁assignment ▁in ▁the ▁West ▁when ▁he ▁returned ▁to ▁Fort ▁Sn elling ▁for ▁seven ▁years ▁as ▁command ing ▁officer . ▁The ▁couple ▁were ▁both ▁interested ▁in ▁Dak ota ▁culture . ▁ ▁Mary ▁East man ▁collected ▁traditional ▁stories ▁and ▁leg ends ▁during ▁their ▁time ▁at ▁Fort ▁Sn elling , ▁as ▁prepar ation ▁for ▁a ▁later ▁book ▁which ▁her ▁husband ▁illustrated . ▁ ▁Mary ▁Hend erson ▁Mary ▁Hend erson ▁was ▁born ▁in ▁W arr ent on , ▁Virginia , ▁on ▁February ▁ 2 4 , ▁ 1 8 1 8 ▁to ▁Thomas ▁Hend erson , ▁a ▁phys ician , ▁and ▁Anna ▁Maria ▁( T ru xt on ) ▁Hend erson . ▁She ▁moved ▁with ▁her ▁family ▁to ▁West ▁Point , ▁New ▁York , ▁when ▁her ▁father ▁was ▁assigned ▁as ▁a ▁sur geon ▁at ▁the ▁U . S . ▁Military ▁Academy . ▁There ▁she ▁met ▁and ▁married ▁S eth ▁East man ▁in ▁ 1 8 3 5 , ▁when ▁she ▁was ▁sevent een