Muwatta Malik · Hadith 1127

حَدَّثَنِي يَحْيَى، عَنْ مَالِكٍ، أَنَّهُ بَلَغَهُ أَنَّ عُمَرَ بْنَ الْخَطَّابِ، وَهَبَ لاِبْنِهِ جَارِيَةً فَقَالَ لاَ تَمَسَّهَا فَإِنِّي قَدْ كَشَفْتُهَا ‏.‏

Yahya related to me from Malik that he had heard that Umar ibn al-Khattab gave his son a slave-girl and said, "Do not touch her, for I have uncovered her

Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).