Kiley
Kiley asked:

My Gods... what would happen if, say, a child of one of the big three had a kid with another child of the big three? Like a Demigod who's parents are a child of Zeus and a child of Hades?

Jennifer Daniels I'm thinking that in general..... nothing. Periclyminus's line (including Shen Lun, Frank, Emily, and Grandmother Zhang) and Octavian seem to be anomalies. If the descendants were as powerful as their demigod ancestors, wouldn't we have seen more examples of this? Everyone else is a "Son of Fill-in-the-god" or "Daughter of Fill-in-the-goddess". But.... since Percy, Annabeth, Jason, Piper, Leo, Frank, Hazel, Clarisse Drakon Slayer, Reyna and Nico are apparently more special, perhaps their kids could be powerful, too.
Leela W. It was officially stated by Rick Riordan that if two demigods had a child it would be mortal.
Gyu Cho I don't really think about that subject, and I don't really LIKE to, because I get kinda queasy just thinking about the whole 'brother'+'sister' marriage thing like Zeus+Hera. But if something like that happened, they might be really powerful that they could destroy the world or something. But the thing is, I don't really think Zeus, Hades and Poseidon would like their daughter#son being married to his brother's kid.
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by Rick Riordan (Goodreads Author)
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