Waki’ (may Allah have mercy on him) said: If one of two brothers claims to be the brother (of a third person) and the other denies it, they said: Ibn Abi Layla used to say: The issue will be settled from six shares; the one who denies will take three shares, the one who claims will take two shares, and the one whose brotherhood is claimed will take one share.
Hadith Referenceسنن دارمي / من كتاب الفرائض / 3099
Hadith Gradingتحقیق (حسین سلیم أسد الدارانی):إسناده ضعيف محمد بن عبد الرحمن بن أبي ليلى سيئ الحفظ جدا، [مكتبه الشامله نمبر: 3108]
Hadith Takhrijاس اثر میں محمد بن عبدالرحمٰن بن ابی لیلیٰ سیٔ الحفظ جدا ہیں۔ دیکھئے: [ابن أبى شيبه 11547] ، [عبدالرزاق 19142]