Norse
Odin
wisdom, poetry, war
Mesopotamian tradition. See the whole pantheon.

Each day Utu crosses the sky, and sees all. He helps Gilgamesh in battle with Humbaba. In the Code of Hammurabi, Shamash is the god depicted giving the king the law.
All sources for the Mesopotamian pantheon
Lineage in the sources used: Nanna / Sin, Enlil, An / Anu, Ninlil.
Deities in other traditions who share a theme with Utu / Shamash: the sun and light, wisdom, writing and divination. This is overlap in one area only.