Which modern names derived from the name Hrólfr?(Old Norse)

[Jacques de Imbelloni]

Ganger Hrólf name of the historical Rollo, Duke of Normandy.
According to wikipedia, raoul and rudolf does it, but how about roland? from what I have researched, seem that this name comes from a different germanic name, that predates viking presence in northern france.
Can somebody help me with this?

[Jacques de Imbelloni]

bump

[Graham]

Rolf?

[Jacques de Imbelloni]

Rolf?

Yes that name to
ROLF
GENDER: Masculine
USAGE: German, Swedish, Norwegian, Danish, English
PRONOUNCED: RAWLF (German) [key]
Meaning & History
From the Germanic name Hrolf (or its Old Norse cognate Hrólfr), a contracted form of Hrodulf (see RUDOLF). The Normans introduced this name to England but it soon became rare. In the modern era it has occasionally been used in the English-speaking world as a German import.

What about ralph?

[Mens-Sarda]

Ganger Hrólf name of the historical Rollo, Duke of Normandy.
According to wikipedia, raoul and rudolf does it, but how about roland? from what I have researched, seem that this name comes from a different germanic name, that predates viking presence in northern france.
Can somebody help me with this?

the ancient Franks where a German people, so a name like Hrodland -> Roland was a typical name in that period, even before the Viking presence

http://www.behindthename.com/name/roland