Abu Umamah bin Sahl bin Hunaif said:
" '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.'" (FR)
English reference (FR): Vol. 4, Book 3, Hadith 2103 (FR)
Arabic reference (FR): Book 29, Hadith 2249 (FR)