Fenrir's trail - Odin, the son of Bur's son Borr, killed Ymir. The blood pouring out of the giant's body killed all the frost giants Ymir had created, except Bergelmir. From Ymir's
The Norse Mythology Blog Norsemyth Org Charlemagne S – Otosection
Viking Gods, page - 3
Thor and the other 11 major Norse gods and goddesses you should know
Thor and the other 11 major Norse gods and goddesses you should know
Odin - The Norse God of Wisdom | Myths, History, Family Tree | The Pagan Grimoire