Orme in Icelandic Sagas
A collection of Old Norse Sagas that have a character named Orme.
The stories are a record of actual historical events and places; for example, Harald Hardrade (part 2) tells of events leading up to the Norman invasion of England.
This is not a Saga, but was written in Iceland in the early 13th Century.
Snorri Sturluson's Poetic Edda