Uthman bin 'Abdur Rahman bin 'Uthman عثمان بن عبد الرحمن بن عثمان بن عبد الله · Chapters On Inheritance

"'Umar bin Al-Khattab sent me with a letter to Abu'Ubaidah (saying) that The Messenger of Allah(S.A.W) said : 'Allah and His Messenger are responsible for the one who has no patron. And the maternal uncle inherits from the one who has no heirs.'"