King Froda

Background
Froda (Fróði), king of the Hethobards and father of Ingeld, is enemy of the Danes. Froda kills Halfdan, and is later killed by Halfdan's sons Halga and Hrothgar in battle, prior to the marriage of Ingeld to Halga's daughter Freawaru.

Name Etymology
Originally a byname, from Proto-Germanic *Frōdô (“the wise”), masculine definite of *frōdaz (“wise”). Equivalent to fróði, masculine definite of fróðr. (en.wiktionary.org/wiki/Fróði)

Role in Beowulf
King of the Hethobards, enemies of the Danes.

Lines in Beowulf Mentioned
It is important to note that while King Froda is not directly mentioned in Beowulf, he is mentioned in other Norse texts related to Beowulf like the Skjöldunga and Ynglinga sagas.