Ok. I have no idea what to offer. Because Lilith and Asmodeus will maul Agrat upon entry. HMMMM. I can offer her people she could have bedded? :D
And Styx will be flopped on by a pleased Persephone and eyeballed by Thanatos. As for mortal family, HMMM. I don't have any Baltic sorts. GREAT SADNESS. But she can totally know people like Theseus, Minos, Ryujin, Death and Angrboda, who all have shady stuff going on for them.