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. An alternative but less common variation of Rolf in Norway is Rolv. The oldest evidence of the use of the name Rolf in Sweden is an inscription from the 11th century on a runestone in Forsheda, Småland. The name also appears twice in the Orkneyinga sagas, where a scion of the jarls of Orkney, Gånge-Rolf, is said to be identical to the Viking Rollo who captured Normandy in 911. This Saga of the Norse begins with the abduction of Gói daughter by a certain Hrolf of Berg, (the Mountain). She is the daughter of Thorri, a Jotun of Gandvik, and sister of Gór and Nór. The latter is regarded as a first king and eponymous anchestor of Nórway. After a fierce duell (Holmgang) where none is able to overcome the other, Hrolf and Nór become friends; Góí apparently was abducted willingly and marries Hrolf. Nór marries Hedda, Hrolf's sister. Goi may be identical, or reflect the story of the Jotunn and Åsynja Gefhjón who fools the Swedish King Gylfi of Uppsala, plowing the lands where the great lakes in Sweden are, making the island of Zealand (and some more of the Danish islands, but not Fyn) and establishes the high seat of the Scyldings at Lejre (Hliðarbru) the proposed main artificial island. Hroðulf of the Beowolf epic may be conferred as well as the Saga of Hrolf Kraki. Rolf is a first name or part of a double name or a longer name in Sweden, Norway, Germany, Finland and Denmark, and to a lesser extent in Iceland. In Europe the name Rolf is most popular in Sweden where, as of 2012, there were 54,737 people with Rolf as their first name or part of a double or a longer name. At the same time there were 511 people in Sweden with Rolf as their last name. As a given name, Rolf reached its peak in popularity in the decade of the 1960s. The name day for Rolf in both Norway and Sweden is August 27. The Day for Rolf on the Finnish-Swedish calendar is March 6. Notable Rolfs or Hrolfs include: Given names Hrólf Kraki, legendary king of Denmark Göngu-Hrólfr, Norwegian