Letters! -All surnames are composed of letters.
Osborn is a medieval English surname but one of truly ancient 'Viking' origins. To find out more about this surname, visit the website below.
It has evolved from a Viking name Olaf, being Frenchified to Oliver.
The Scottish Blankarn family may have Viking ancestors. The surname is first found in Blencarne, in the parish of Kirkland, in the county of Cumberland.
It is Irish from the northern part of Ireland and is possibly derived from a Viking name.
Cnut won the throne of England in 1016.
First used by the Viking settlers of ancient Scotland, the surname of Crooks was bestowed upon those residing in Crook, the name of several places in Scotland and England.
Madden is an Irish name, though it is thought to have been brought to Ireland by Viking settlers
The Viking Harold was Hadraada, the other (the English one who who got the arrow in his eye) was Godwinson.
William the conquerer, Harold godwinson and Harold hardrada (he was a viking that's y he has a weird surname.)
Cnut won the throne of England in 1016.
The nickname-type surname of Hakes is alleged to have first been used by a Viking family in Scotland, as a name for a crooked person. A variation of the spelling (Hako) is found in the county of Norfolk, recorded in the Domesday Book.
I don't know if the Vikings had kings or not but if you want to try and find out please copy and paste the following link in to your Internet address box: "http://en.wikipedia.org/wiki/Viking" Thank you for reading my answer.