The ancient Germanic peoples also had a complicated understanding of what makes up an "individual" (not so unable-to-be-divided after all, eh?) From what I understand about that complex, which I have received mainly from Flowers/Thorsson, there are multiple bodies that don't exactly correspond to the occult "planes". There the "lyke" or "lich" which does pretty much correspond to the physical body exactly. The "hyde" is the etheric energy, the "ond" (the gift given by Odin in the Voluspa, which means "breath of life") I would also definitely place in the "etheric" plane, but it is in a way connected directly to the Spiritual. The word "spirit" comes from the Latin for "breath", and I see "Ond" as basically the same as the Hindu "prana." The "hugh" or "hugr" and myne or "minni", or, thought and memory (the same as "Huginn" and "Muninn") to me are two parts of the "astral" body. The "wode" is inspiration, frenzy, and I might consider this a part that reaches between the Astral and Mental, maybe something like the "mental sheath." I think the "Fetch/Fylgia" is a guardian spirit, like the HGA, "Hamingja" is basically "personal power" or "charisma" or "personal magnatism" and "Wyrd/Orlog" is obviously related to "Fate", "Destiny" and "Karma" - though that will have to be another post.
In general, I am still trying to fit these together, but they are like two different artists, one using watercolors and one using oil paint, to paint a portrait. I'd be quite happy to discuss these ideas further in the comments and in future posts. It seems like the Germanic peoples had a much more developed sense of the etheric realms and etheric/spiritual tech than we do now. It might also be interesting to compare Maria Kvilhaug's idea of the initiations hidden in the Norse myths, where the hero faces the internal, female, sun-like higher self, to the idea of the Divine Spark. That might merit it's own post though...
Also, I found this explanation of the Old Saxon ideas of the soul-complex which might be interesting to folks: https://www.youtube.com/watch?v=23aaWeTwnuU