Book 45: The Book of Oaths (qasamah), Retaliation and Blood MoneySahih
Chapter 40
The Description Of Killing That
Resembles Intentional Killing, And Who Is To Pay The Diyah For A Fetus And For A Killing That Resembles Intentional Killing, And Mentioning The Different Wordings Reported In The Narration Of Ibrahim From 'Ubaid Bin Nudailah From Al-Mughirah
"The Messenger of Allah ruled that every clan should take part in paying the blood money, and it is not permissible for a freed slave to take a Muslim (other than the one who freed him) as his Mawla (Patron) without the permission (of his former master who set him free)"