[Lizavetta]

Harry currently lives in Montecito, Calif., with Meghan, 42, and their kids — Prince Archie, 5, and Princess Lilibet, 3.

Didn't he bow out of the whole royal thing so why are his kids still referred to this way?

[Harmless Teddy Bear]

You can renounce for yourself and your spouse can renounce for his or her self but the children will have to renounce when they are of age.

They are the grand children of a living monarch. Now the titles are courtesy and so will not go to their spouse or children but they are lifetime.