938. hadíth
وَ رُوِيَ: فِي اِمْرَأَةٍ قَطَعَتْ ثَدْيَ وَلِيدَتِهَا "أَنَّهَا حُرَّةٌ لاَ سَبِيلَ لِمَوْلاَتِهَا عَلَيْهَا".
It is narrated regarding a woman who cut off the breast of her female slave; "She (the slave) is free, and her mistress has no authority over her."