(12) باب مَنْ أَعْتَقَ شِرْكًا لَهُ فِي عَبْدٍ
This hadith has been narrated through another chain of transmitters (and the words are):
" A person from among the Ansar willed away the freedom of six slaves of his at the time of his death." (ID)
Reference (ID): Sahih Muslim 1668 b (ID)
In-book reference (ID): Book 27, Hadith 84 (ID)
USC-MSA web (English) reference(deprecated numbering scheme): Book 15, Hadith 4113 (ID)