User blog comment:Himeyuka/Reyna and Hylla's past/@comment-4093491-20111204122757

I think something might have stopped them from aging and in reality they should be old, like Nico( although it would be boring if Rick Riordan used the same card on them) and and were born during Civil War, there dad must be part of the legion, as mentioned by you, then one day Greeks might have attacked on there house or something like that, and there father instructed Hylla to escape and save Reyna from bloodshed and stuff(I guess Hylla even mentioned she wanted to save Reyna from war).

So Hylla and Reyna escaped, most probably in a boat or ship, and faced a perilous storm, thus there ship/boat crashing on the docks of Circe's island. Circe, seeing that both of them are girls, took Hylla as her employ and allowed them to live on her island.

Now things that I did not mentioned above and are things I most likely think might have happened: 1. there father would/could have been a son of Trivia, because I think it was Trivia who gifted Reyna the hounds. 2. Reyna and Hylla might know sorcery, 'cause Circe had a school of magic(it was mentioned by Hylla)so they would've learned it, another thing makes me think so is the fact that Hylla was able to tell Hazel had died a long time ago and was even close to the year of Hazel's death, while guessing when she died. 3. they must know how to make elixirs or Circe might be giving them elixirs so they both don't die, most probably 'cause she trusted them enough.(another thing which makes me think that there father might have been a son of Trivia 'cause that makes Circe there aunt, she must have a soft spot for them)