Proto-Germanic *Hrōþiberhtaz

→ English Robert (derived)

→ Cebuano Robert (derived)

→ German Robert (derived)

→ German Rupert (inherited)

→ Icelandic Hróbjartur (inherited)

→ Icelandic Róbert (derived)

→ Italian Roberto (derived)

→ Latin Robertus (derived)

→ Old Norse Hróbjartr (inherited)