Yngve is a Scandinavian male given name, mostly used in Sweden and Norway. It is the modern form of either Old Norse Yngvi or of Ingwin. Yngvi was the Old Norse name of the Germanic god Ingu-, later identified with Freyr, or of Ingwian- "belonging to the tribe of the Ingvaeones" (who were in turn named after Ingu-. The name is most common among Swedish men over the age of 50, and occurs almost exclusively as a middle name among the youngest. Due to its Viking origins, the name was very popular during the 19th century and the national romantic era. .
https://en.wikipedia.org/wiki/Yngve