This shows how the Vikings viewed their Gods and their ideas of Heaven and Hell. The Vikings believed that they would one day join their Gods in Valhalla, much as the Christians believed they would join Jesus and God in Heaven.
The Norse God Family Tree describes the many Gods in Norse mythology and where they rank amongst each other. Some of these will be described in detail and their importance amongst the Norse God Family Tree.
I& a little wary of posting an infographic from the History Channel, notorious for rarely doing its history homework, not to mention all its ancient alien programming posing as real science, and they should have done spellcheck first