Musannaf Ibn Abi Shayba 18:32

Abu Bakr narrated to us, he said: Waki’ narrated to us, from Ibn Abi Khalid, from ‘Amir, he said: Ibn Mas’ud used to say regarding quasi-intentional (homicide): [The blood money is divided into] four quarters: twenty-five hiqqah, twenty-five jadha’ah, twenty-five bint labun, and twenty-five bint makhad.