German Rudolf

← Middle High German Ruodolf (inherited)

← Proto-West Germanic *Hrōþiwulf (derived)

← Old High German *Hruodwolf (inherited)

→ English Roof (mention)

→ German Rolf (mention)

→ German Rudloff (mention)

→ Icelandic Rudolf (borrowed)

→ Latvian Rūdolfs (cognate)

→ Norwegian Rolf (cognate)