Sunan Abu Dawud
2888
Sahih+3

Narrated Al-Bara' bin 'Azib:The last verse revealed about the decease who left no descendants or ascendants: "They ask thee for the legal decision. Say: Allah directs (thus) about those who leave no descendants or ascendants as heirs

SahihAl-Albani
SahihMuhammad Muhyi Al-Din Abdul Hamid