User blog comment:SayuriDarling/Heroes of Olympus General Discussion/@comment-24055022-20150809173730/@comment-3389778-20150809182746

.......Just realised that the guy demigods have male godly parents and the girls have female godly parents (minus Hazel, Bianca, Clarisse and Thalia).

....Also Rachel has that problem.

My god. You are absolutely right.