¹  As for Abraham’s prayer for his father’s forgiveness, it was only in fulfilment of a promise he had made to him. But when it became clear to Abraham that his father was an enemy of Allah, he broke ties with him. Abraham was truly tender-hearted, forbearing.  Dr. Mustafa Khattab

²  And Abraham's prayer that his father be forgiven was but due to a promise which he had given the latter [in his lifetime]; but when it was made clear unto him that he had been God's enemy, [Abraham] disavowed him - [although;] behold, Abraham was most tender-hearted. most clement.  Muhammad Asad

³  Abraham asked forgiveness for his father only because of a promise he had made to him. But when it became clear to him that he was an enemy of God, he disowned him. Abraham was kind and clement.  Talal Itani

⁴  And Abraham's prayer for the forgiveness of his father was only because of a promise which he had made to him. Then, when it became clear to him that he was an enemy of Allah, he dissociated himself from him. Surely Abraham was most tender-hearted, God-fearing, forbearing.  Maududi

⁵  And [Ibrahim's (Abraham)] invoking (of Allah) for his father's forgiveness was only because of a promise he [Ibrahim (Abraham)] had made to him (his father). But when it became clear to him [Ibrahim (Abraham)] that he (his father) is an enemy to Allah, he dissociated himself from him. Verily Ibrahim (Abraham) was Al-Awwah (has fifteen different meanings but the correct one seems to be that he used to invoke Allah with humility, glorify Him and remember Him much), and was forbearing. (Tafsir Al-Qurtubi).  Muhsin Khan

⁶  Abraham asked forgiveness for his father because he had made a promise to him, but once he realized that his father was an enemy of God, he washed his hands of him. Abraham was tender-hearted and forbearing.  Muhammad Abdel Haleem

⁷  And had not been Abraham asking for forgiveness for his father only because of a promise he had promised him? Then, when it became clear to him that, truly, he was an enemy to God, he cleared himself from him. Truly, Abraham was sympathetic and forbearing.  Dr.Leila Bakhtiar

⁸  The prayer of Abraham for the forgiveness of his father was only because of a promise he had promised him, but when it had become clear unto him that he (his father) was an enemy to Allah he (Abraham) disowned him. Lo! Abraham was soft of heart, long-suffering.  Marmaduke Pickthall

⁹  And the request of forgiveness of Abraham for his father was only because of a promise he had made to him. But when it became apparent to Abraham that his father was an enemy to Allah , he disassociated himself from him. Indeed was Abraham compassionate and patient.  Sahih Int.

¹⁰  And Abraham prayed for his father's forgiveness only because of a promise he had made to him. But when it became clear to him that he was an enemy to Allah, he dissociated himself from him: for Abraham was most tender-hearted, forbearing.  Yusuf Ali

¹¹  and not was (the) asking of forgiveness (by) ibrahim for his father except because (of) a promise he had promised it (to) him. but when it became clear to him that he (was) an enemy to Allah, he disassociated from indeed, ibrahim (was) compassionate, forbearing.  Word by Word