The Holy Quran 26:86 — Surah Ash-Shu'ara

Arabic text

وَٱغْفِرْ لِأَبِىٓ إِنَّهُۥ كَانَ مِنَ ٱلضَّآلِّينَ

Translation

"Forgive my father, for he is among those who have gone astray." (Ibraheem عليه الصلاة والسلام made this du'aa with the hope that Allaah will guide his father to accept Imaan. Once a person has died as a Kaafir, it is not permissible to make du'aa for his/her forgiveness.)

Tafsir (excerpt) — Tafsir Usmani

The supplication for his father’s forgiveness: it appears from the translation that he made this supplication after his father’s death. But in another place it has been stated explicitly that when it became clear that he was an enemy of Allah, [Ibrahim ﵇] declared himself free of him and disowned him, as the Exalted said: وَمَا كَانَ اسْتِغْفَارُ…

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