Sunan an-Nasa'i 3718
سنن النسائي#3718SahihMa'mar narrated from 'Amr bin Dinar, from Tawus, from Zaid bin Thabit, that the Prophet said:"'Umra (a gift given for life) belongs to the heir
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiHasan
In-book reference: 33:13