At-Tawbah 9:114
وَمَا كَانَ اسْتِغْفَارُ إِبْرَاهِيمَ لِأَبِيهِ إِلَّا عَن مَّوْعِدَةٍ وَعَدَهَا إِيَّاهُ فَلَمَّا تَبَيَّنَ لَهُ أَنَّهُ عَدُوٌّ لِّلَّهِ تَبَرَّأَ مِنْهُ ۚ إِنَّ إِبْرَاهِيمَ لَأَوَّاهٌ حَلِيمٌ ١١٤
Wama kana istighfaru ibraheema liabeehi illa AAan mawAAidatin waAAadaha iyyahu falamma tabayyana lahu annahu AAaduwwun lillahi tabarraa minhu inna ibraheema laawwahun haleemun
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Abraham asked not pardon for his father except because of a promise he had made to him; and when it became clear to him that he was an enemy of God, he declared himself quit of him; Abraham was compassionate, clement. (9:114)