[1] In both tales, he is the son of King Granmar (whose kingdom is not named in these poems, but described as Södermanland in Heimskringla), and the brother of Guðmundr.
In "Helgakviða Hundingsbana I", she calls Hǫðbroddr as bold as a kitten, although the following stanzas also refer to him as the bane (i.e. killer) of Ísungr (otherwise unknown).
Helgi leads a large army across the sea to attack Hǫðbroddr in a bloody battle.
He succeeds to the throne after the deaths of his father Ragnar and his mother Swanhwid, daughter of the Danish King Hadding.
Hothbrodus conquered the East, massacring many peoples, and then had two sons named Athislus and Hotherus.
Name spellings are derived from Oliver Elton's 1905 translation, The First Nine Books of the Danish History of Saxo Grammaticus, via Wikisource.
[3] In the Ættartölur (genealogies) of Hversu Noregr byggdist, Höddbroddr was the son of Höd, ruler of Haðaland.