´Al-Awza'i narrated from Az-Zuhri, from 'Urwah, from Jabir, who said:` "The Messenger of Allah said: 'Whoever is given something on the basis of 'Umra, it belongs to him and to his descendants, and is inherited by those who inherit from him.'"
Hadith ReferenceSunan an-Nasa'i / The Book of 'Umra / Hadith: 3771
Hadith Gradingالألبانی:صحيح لغيره | زبیر علی زئی:صحيح