Yngvildr

Old Norse form of INGVILD.

INGVILD   female   Norwegian
From the Old Norse name Yngvildr, derived from the name of the Norse god YNGVI combined with hildr "battle".
YNGVI   male   Norse Mythology
Possibly an Old Norse cognate of ING. This was an alternate name of the god Freyr, who as Yngvi-Freyr was regarded as the ancestor of the Swedish royal family.
ING   male   Germanic Mythology
From the Germanic *Ingwaz, possibly meaning "ancestor". This was the name of an obscure old Germanic fertility god who was considered the ancestor of the tribe the Ingaevones. It is possible he was an earlier incarnation of the god Freyr.
EQUIVALENTS
ANCIENT SCANDINAVIAN: Ingvildr
NORWEGIAN: Ingvild
OTHER FORMS
NORSE MYTHOLOGY: Yngvi