You should know: The english spelled place BLUMEGG sounds like BLUMIK.

There are two places BLUMEGG in Baden: e.g. Blumegg is today a part of Stuehlingen
http://www.stuehlingen.de/index.php4?n=19&start=1
So you should contact
http://www.stuehlingen.de/index.php4?n=11&start=1

Several Kaiser emigrated. See also
www.auswanderer-bw.de
They have about 6 Kaiser, who emigrated to the States