roles hans stadinger , armourer and vet ( bass ) marie , his daughter ( soprano ) count liebnau , nobleman in disguise as '' konrad '' , a journeyman blacksmith ( baritone ) georg , count liebnau 's squire ( tenor ) adelhos , a knight ( baritone ) irmentraut , marie 's governess ( contralto ) brenner , an innkeeper and standinger 's brother-in-law ( tenor ) synopsis act 1 count von liebenau loves marie , the daughter of the armorer stadinger ( who is also a veterinarian ) and wants nothing to do with fräulein von katzenstein .