Where does “Ruggeri” come from?
Ruggeri (Italian) comes from Italian Ruggero, from Old French Rogier, from Latin rogerius, from Frankish Hrōthigeir, from Proto-Germanic Hrōþigaizaz, from Proto-Germanic gaizaz, from Proto-Indo-European ǵʰoysós, from Proto-Indo-European ǵʰey- — winter.
Ancestry of “Ruggeri”, step by step