Searching for family Schmid and Huebner - try church book (born, married and deceased incl. indexes) for Osoblaha (former Hotzenplotz) and other places, peroid 1779 – 1803, Inventary Nr. 1215, Call number: Os II 2, from State Archiv in Opava on address http://matriky.archives.cz.
This web site have English version. Unfortunately, many other records were destroyed during the Second World War.