Berghuber (German) comes from German Huber, from German -er, from Old High German -āri, from Proto-West Germanic -ārī, from Proto-Germanic -ārijaz, from Latin -ārius, from Proto-Italic *-āzios — Forms relational adjectives to nouns (and rarely numerals).
Ancestry of “Berghuber”, step by step
Berghuber traces back through two separate lines of ancestry.