Hadith.5389 - It is narrated from Wahb ibn Wahb, from Imam Jafar ibn Muhammad Al-Sadiq (as) from his father, Imam Muhammad ibn Ali Al-Baqir (as), that Imam Ali ibn Abi Talib (as) said
"Whoever kills a close relative (hamim) of a people should seek reconciliation with them as much as he is able, for it will lighten his reckoning."