Hrolf, or Rollo Duke of Normandy, the wild Sea-king, has a share in governing England at this hour.
"Heroes and Hero Worship" by Thomas Carlyle
A son is not known by his mother in the story of Hrolf.
"The Danish History, Books I-IX" by Saxo Grammaticus ("Saxo the Learned")
I knew both Brodd and Horfi, they were in the court of Hrolf the Old; all descended from Jormunrek, son-in-law of Sigurd.
"The Elder Eddas of Saemund Sigfusson; and the Younger Eddas of Snorre Sturleson" by Saemund Sigfusson and Snorre Sturleson
The blood of Cerdic and AElfred was to blend itself with that of Hrolf and the Conqueror.
"History of the English People, Volume I (of 8)" by John Richard Green
Charles the Simple, king of the West Franks, 63; cedes Normandy to Hrolf, 80.
"A Student's History of England, v. 1 (of 3)" by Samuel Rawson Gardiner
Hrolf himself had composed this story.
"Stories and Ballads of the Far Past" by Nora Kershaw
In the Old Norse sagas Hrolfe is the son of Helgi (Halga), the son of Halfdan (Healfdene).
"Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 7" by Various