Sunan Ibn Majah, Book 19, Hadith 2612 (In-Book) ⓘ
It was narrated that Ibn`Abbas said: “Mention was made of the mother of Ibrahim in the presence of the Messenger of Allah, and he said: 'Her son set her free.'”
حَدَّثَنَا أَحْمَدُ بْنُ يُوسُفَ، حَدَّثَنَا أَبُو عَاصِمٍ، حَدَّثَنَا أَبُو بَكْرٍ يَعْنِي النَّهْشَلِيَّ، عَنِ الْحُسَيْنِ بْنِ عَبْدِ اللَّهِ، عَنْ عِكْرِمَةَ، عَنِ ابْنِ عَبَّاسٍ، قَالَ ذُكِرَتْ أُمُّ إِبْرَاهِيمَ عِنْدَ رَسُولِ اللَّهِ صلى الله عليه وسلم . فَقَالَ " أَعْتَقَهَا وَلَدُهَا " .
also referenced under: Hadith 2516 (Reference) & Volume 3, Book 19, Hadith 2516 (DarusSalam)