In Norse mythology, Thor, the god, is the son of Odin and Fjörgyn. He has half-brothers Týr, Heimdall, Vidar, and Baldur. His uncles are Vili and Vé. His grandparents are Borr, Bestla, Annar, and Nótt, and his great-grandparents are Búri and Auðumbla. His nephews include Magni, Modi, and Forseti, and his niece is Thrúd. Sif and Nanna are his sisters-in-law.