What is the surname 'Donnici' when translated from Italian to English?

"Dennis" and "Dionysius" are English equivalents of the Italian surname Donnici. The proper name in question may serve as a regionalism for Dionigi, with the above-mentioned meanings. The respective pronunciations will be don-NEE-tchee" for the regional surname and "dyo-NEE-djee" for its suspected standard in Italian.