(13) باب الاِبْتِدَاءِ فِي النَّفَقَةِ بِالنَّفْسِ ثُمَّ أَهْلِهِ ثُمَّ الْقَرَابَةِ
Jabir reported that a person among the Ansar who was called Abu Madhkur granted posthumous freedom to his slave who was called Ya'qub. The rest of the hadith is the same.
Reference: Sahih Muslim 997 b
In-book reference: Book 12, Hadith 51
USC-MSA web (English) reference(deprecated numbering scheme): Book 5, Hadith 2184