Unless they are going to completely give Jason a new origin, which I doubt, then he and Diana are twins born from the adulterous affair with Zeus.
Well instead of Diana getting her powers from herself due to training, or all the Gods as blessings, she gets them from her unlimtate father. I'm sure her twin brother will have every power she has and then some.
D.C. Doesn't know how to write a strong, powerful woman so they have to say it comes from a man to make themselves feel better. And of course a woman can't have all that power, she has to share it with her brother.