Hreðric[1] and Hroðmund were the sons of the Danish king Hroðgar and his queen, Wealhþeow, in the Old English epic Beowulf.
They are only mentioned in passing, and there seems to be some foreshadowing in Beowulf that their cousin, Halga's son Hroðulf, i.e. Hrólfr Kraki, would usurp the throne from them.
[2] However, the traditions vary and so Hrörekr is either killed by Hrólfr Kraki or his successor as the ruler of Zealand (the Danish heartland).
If based on the same tradition as Hversu Noregr byggdist, Valdar had the right to claim the throne being the son of the former king Hróarr (Hroðgar).
Even though Hrólfr Kraki was made their guardian, their mother could have easily fled back to her Wuffing kin, as the male line of Hroðgar seemed to live on through Valdar.