▁days . ▁ ▁This ▁was ▁the ▁origin ▁of ▁the ▁legend ▁of ▁Kas par ▁Haus er ' s ▁nob ility . ▁Am al ie ' s ▁daughter ▁Louise ▁was ▁married ▁to ▁Alexander ▁I ▁of ▁Russia ▁and ▁became ▁the ▁Russian ▁Ts arina ▁Elisabeth ▁Alex e iev na . ▁Am al ie ' s ▁daughter ▁Fried er ic ke ▁wed ▁Gust af ▁IV ▁Adolf ▁to ▁become ▁Queen ▁of ▁Sweden ▁( though ▁she ▁asked ▁for ▁and ▁received ▁as yl um ▁in ▁Bru chs al ▁after ▁ 1 8 0 7 ▁due ▁to ▁the ▁coup ▁d ' état ▁of ▁her ▁husband ' s ▁government ). ▁ ▁Am al ie ' s ▁daughter ▁Maria ▁was ▁married ▁to ▁the ▁Duke ▁of ▁Braun sch weig , ▁and ▁two ▁other ▁daughters ▁were ▁married ▁to ▁the ▁reg ents ▁of ▁Bav aria ▁and ▁of ▁Hessen - D arm stadt . ▁ ▁In ▁ 1 8 1 5 , ▁after ▁Napoleon ' s ▁reign ▁was ▁over , ▁Bru chs al ▁and ▁Am al ie ▁ent ert ained ▁the ▁following ▁company ▁in ▁the ▁bar o que ▁château ▁at ▁Bru chs al ▁until ▁the ▁dust ▁settled : ▁The ▁Russian ▁Ts ar , ▁Prince ▁Met tern ich , ▁the ▁King ▁of ▁Pr uss ia , ▁as ▁well ▁as ▁his ▁son , ▁the ▁later ▁Emperor ▁of ▁Germany . ▁▁ 1 8 1 6 – 1 8 8 0 ▁In ▁ 1 8 4 1 ▁the ▁Rh ine ▁Valley ▁Railway ▁was ▁completed ▁between ▁Heidel berg , ▁Bru chs al , ▁and ▁Kar ls ru he . ▁In ▁ 1 8