the correct name will be Riedmann. but you need a placename for a research....
austrian Phonebook has 452 hits in in following states:
* Vorarlberg (199)
* Tirol (198)
* Wien (16)
* Niederösterreich (15)
* Salzburg (12)
* Oberösterreich (6)
* Kärnten (5)
* Steiermark (1)
http://www.herold.at/telefonbuch/riedmann/and in Tirol in this districts:
* Kitzbühel (107)
* Kufstein (43)
* Innsbruck (Stadt) (25)
* Innsbruck Land Ost (6)
* Reutte (6)
* Innsbruck Land West (5)
* Innsbruck Land Mitte (3)
* Schwaz (2)
* Landeck (1)
http://www.herold.at/telefonbuch/tirol/riedmann/now you can see you need a place he came from.also Vorarlberg would be a possibility, as there was "Gefürstete Grafschaft Tirol Und Vorarlberg".
