Bragi [SEP] mother
16 of the "Lokasenna" could mean "Odin's son" and is translated by Hollander as "Odin's kin". Bragi's mother is possibly the giantess Gunnlod. If Bragi's mother is Frigg, then Frigg is somewhat dismissive of Bragi in the "Lokasenna" in stanza 27 when Frigg complains that if she had a son in Ægir's hall as brave as Baldr then Loki would have to fight for his life.
In that poem Bragi at first forbids Loki to enter the hall but is overruled by
"thurs", is a term applied to "jötnar" and is mentioned throughout the Old Norse corpus. In Old Norse sources, trolls are said to dwell in isolated mountains, rocks, and caves, sometimes live together (usually as father-and-daughter or mother-and-son), and are rarely described as helpful or friendly. The "Prose Edda" book "Skáldskaparmál" describes an encounter between an unnamed troll woman and the 9th-century skald Bragi Boddason. According to the section, Bragi