Hadith 1478
وَحَدَّثَنِي مَالِكٌ، عَنْ نَافِعٍ، عَنْ عَبْدِ اللَّهِ بْنِ عُمَرَ، أَنَّهُ أَعْتَقَ وَلَدَ زِنًا وَأُمَّهُ .
Malik related to me from Nafi that Abdullah ibn Umar freed an illegitimate child and its mother
Mauquf Sahih (Salim al-Hilali)
Muwatta Malik 1478 · Book 38, Hadith 15