The name of LOCATION@1 is derived from the settlement and conquest of the territory by PERSON@1 -LRB- `` Northmen '' -RRB- from the 9th century , and confirmed by treaty in the 10th century .

The name of LOCATION@1 is derived from the settlement and conquest of the territory by the `` Northmen '' -LRB- Northmanni in Latin -RRB- or PERSON@1 -LRB- PERSON@2 and MISC@1 -RRB- of LOCATION@2 the Walker .
