Musannaf Ibn Abi Shaybah

Mansur and Mughira narrate from Ibrahim regarding the man who omitted six heirs and made a bequest equal to the share of some of the sons. According to Mansur’s narration, he (Ibrahim) said: He should be given one part out of seven, equal to the sons. And according to Mughira’s narration, he said: His share should be reduced and not made equal to any one of the sons.