After World War ll, Zeus and Poseidon made Hades swear an oath that the three of then wouldn't have any more children with mortals.
As of Mark of Athena, Zeus has two children (Thalia and Jason) an Poseidon has one. (Percy)
How is it that the only God to not have any children is the one that was forced into the oath???
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Percy Jackson Headcanons
Fanfiction{Highest Ranking - #1 in Parodies} These are headcanons, puns, parodies, etc. From the Percy Jackson series and the Heroes of Olympus series. Some I made up, it'll indicate if I did so. I hope you enjoy and read for an occasional laugh, cry, and str...