In Norse Mythology Nanna is the Moon goddess, according to Bulfinch. Wife of Balder and mother of Forseti. She dies of heartache after Balder's death and is burned with him on his funeral boat -- along with his chopped up horse and an unfortunate dwarf who Thor kicked in at the last minute.

(Nicole Cherry, A list of Norse Beings,

Nanna, or Nannar, also was the name of the firstborn son of Enlil in Sumerian mythology. See Nannar for more information.