Translations
That is, They which are the children of the flesh, these are not the children of God: but the children of the promise are counted for the seed.
That is — it is not the children of the flesh who are Elohim's children, but the children of the promise who are reckoned as seed.
That is to say: it is not the children of natural birth who are God's children, but the children of the promise who are counted as the true offspring.
So it is not the children of the flesh who are God’s children, but it is the children of the promise who are regarded as offspring.

