Hasan (may Allah have mercy on him) said: Akhiyafi brothers will not be heirs to blood money.
Hadith Referenceسنن دارمي / من كتاب الفرائض / 3076
Hadith Gradingتحقیق (حسین سلیم أسد الدارانی):إسناده صحيح إلى الحسن، [مكتبه الشامله نمبر: 3086]
Hadith Takhrijاس اثر کی سند صحیح ہے۔ دیکھئے: [ابن منصور 306]
Brief Explanation
(Explanation of Ahadith 3074 to 3076) From these narrations, it is understood that only a strong (primary) heir, such as a real brother or a son, will receive a share from the blood money (diyah).