What I am saying is that as long as heirs are underage they are no different from slaves, although they own the whole estate. (NIV)
NOW WHAT I mean is that as long as the inheritor (heir) is a child and under age, he does not differ from a slave, although he is the master of all the estate (AMP)
Now I say, That the heir, as long as he is a child, differeth nothing from a servant, though he be lord of all; (KJV)