Multi-Translation Layout:
8 That is, those who are the children of the flesh, these are not the children of God; but the children of the promise are counted as the seed.
8 This means that it is not the children of the flesh who are the children of God, but the children of the promise are reckoned as descendants.
8 That is, it is not the children of the flesh that are children of God; but the children of the promise are reckoned for a seed.