Sulaiman al-A'mash الأعمش / سليمان بن مهران · The Book on Blood Money

from Ibn 'Abbas that the Prophet (ﷺ) made the blood-money twelve thousand.

"A man from the Quraish broke a tooth of a man from the Ansar. So he appealed to Mu'awiyah against him. He said to Mu'awiyah: 'O Commander of the Believers! This person broke one of my teeth.' Mu'awiyah said: 'We will try to get satisfaction for you.' And the other person insisted that Mu'awiyah get him to agree : "There is no man who is struck in his body and he forgives for it, except that Allah raises him a…

"The Messenger of Allah (ﷺ) judged that a Ghurrah male slave or female slave be given in the case of a fetus. The one of the judgement was made against said: 'Should we give something for one who did not drink, not eat, nor cry out to shed a tear, the likes of which is useless?' So the Prophet (ﷺ) said: 'This is the speech of a poet. Rather it requires a Ghurrah: a male slave or a female slave.'"