look at
http://home.hetnet.nl/~petra29/ , there are my grgrgrgrgrgrandparents, but probably that is the wrong branche of the Büchter family;
see also
http://heimatverein.riesenbeck.de/index.htm, specially the Status animarum Hörstel Einwohnerverzeichnis der Bauerschaft Hörstel vom Jahr 1750, where you find eine Bern(ard) Büchter with a kid, also named Bern(ar)d Büchter, who was 9 years old in the year 1750; it might be your grand............grandfather