Rolf
(重定向自Hrolf)
Rolf is a male given name and a surname. It originates in the Germanic name Hrolf, itself a contraction of Hrodwulf (Rudolf), a conjunction of the stem words hrod ("renown") + wulf ("wolf"). The Old Norse cognate is Hrólfr. As a name Rolf is known since the year 911 when the Viking King Gånge-Rolf (846-932) (Latinized as Rollo) captured Normandy.