Ibrahim narrated that Sayyiduna Ibn Mas'ud (may Allah be pleased with him) said: "The blood money for accidental killing is in five parts: twenty hiqqahs, twenty jadha'ahs, twenty bint makhads, twenty ibn makhads and twenty bint labuns."
Hadith Referenceالمعجم الكبير للطبراني / باب العين / 9695