Yngvi, Ingui or Ing appears to have been the older name for the god Freyr (originally an epitheton, meaning "lord"). Proto-Germanic *Ingwaz was one of the three sons of Mannus and the legendary ancestor of the Ingaevones and is also the reconstructed name of the Elder Futhark ŋ rune. Germanic Ingwaz Jacob Grimm in his Teutonic Mythology and many others have considered it likely that Norse Yngvi was originally identical to Ing/Ingo/Ingui. The element Ing- in Old English, Norwegian, Danish,… (More on Yngvi)