On the authority of Zayd ibn Thabit, from the Prophet, peace and blessings be upon him, who said: "The 'umra (lifetime grant) belongs to the heir."(1)

3719 - Muhammad ibn Hatim informed us, saying: Hibban informed us, saying: 'Abdullah informed us, from Ma'mar, who said: I heard 'Amr ibn Dinar narrating from Tawus, from Hujr al-Madari, from Zayd ibn Thabit, that the Messenger of Allah, peace and blessings be upon him, said: "The 'umra belongs to the heir."(2)

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(1) Its chain of transmission is authentic, and it is in "Al-Sunan al-Kubra" under number (6513).
Ma'mar was followed in this chain of transmission by Shu'bah, as will come under number (3720), and after it will come via Ibn al-Mubarak with his chain and the addition of Hujr al-Madari in it between Tawus and Zayd, and this is among the additions in continuous chains, and see what preceded under numbers (3706) and (3715).

(2) Its chain of transmission is authentic. Muhammad ibn Hatim: he is Ibn Nu'aym al-Marwazi, and Hibban: he is Ibn Musa al-Marwazi, and 'Abdullah: he is Ibn al-Mubarak, and Hujr al-Madari: he is Ibn Qays. The hadith is in "Al-Sunan al-Kubra" under number (6514).
Ahmad (21648) also narrated it from 'Abd al-Razzaq, from Ma'mar, with this chain.
Ahmad (21649) and (21650), and Ibn Hibban (5132-5134) also narrated it via multiple paths from 'Amr ibn Dinar, with it.
It will come via Shu'bah's path under number (3721), and via Sufyan ibn 'Uyaynah's path under numbers (3721m) and (3722), both from 'Amr ibn Dinar, with it.
It preceded via Ibn Tawus's path, from his father, with it, under numbers (3716) and (3717), and see the two preceding narrations of Ma'mar before it.