Noah, he is not from your family (11:46)

 بِسۡمِ اللّٰہِ الرَّحۡمٰنِ الرَّحِیۡمِ

In the Name of Allah, the Rahman, the Merciful

Allah, holy and exalted, said to Noah about one of his sons who rejected him:

قَالَ يَا نُوحُ إِنَّهُ لَيْسَ مِنْ أَهْلِكَ

He [Allah] said, “O Noah! Indeed, he is not from your family.”

(Surah 11, Ayah 46)

Some exegetes explained that Allah revealed to Noah that this person was not actually his son because he was the product of adultery between Noah's wife and another man! The Holy Quran condemns Noah’s wife as an unbeliever:

ضَرَبَ اللّٰہُ مَثَلًا لِّلَّذِیۡنَ کَفَرُوا امۡرَاَتَ نُوۡحٍ وَّامۡرَاَتَ لُوۡطٍ

Allah casts as an example those who disbelieved; the wife of Noah and the wife of Lot

(Surah 66, Ayah 10)

However, I do not accept the view that Noah’s wife committed adultery with another man and bore a son whom Noah initially considered his own. The standard view is that while this person was biologically Noah’s son, he was expelled from Noah’s family on account of his unbelief.

Yet, it is within the power of Allah to blot out even the kinship by blood, and likewise to establish blood kinship between individuals that are apparently unrelated.

The Prophet Yahya—John the Baptist—said to the boastful Jews: “And think not to say within yourselves, We have Abraham to our father: for I say unto you, that God is able of these stones to raise up children unto Abraham” (Matthew 3:9; Luke 3:8)

Likewise did Jesus rebuke the Jews when they boasted of being the seed of Abraham, and said to them, “If ye were Abraham's children, ye would do the works of Abraham”, “Ye are of your father the devil” (John 8:39, 44)

Is it not within the power of God to nullify biological descent, so that a man who is considered the father of another is in an instant no longer his father?

And some of our preachers have described those who commit blasphemy against Allah and His Apostle, peace be upon him, as bastards born of harlotry. It may not be merely figurative but a literal, biological fact.