Authentic
graded by Salim al-Hilali
Companion’s words (mawquf) Muwatta Malik 1481
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.
Reported by Malik (No. 1481).