Sunan an-Nasa'i, Volume 4, Book 33, Hadith 3746 (DarusSalam) ⓘ
Sufyan narrated from Ibn Tawus, from his father, from Hujr Al-Madari, from Zaid, who said: "The Messenger of Allah said: 'Umra (a gift given for life) is for the heir.'"
أَخْبَرَنَا مُحَمَّدُ بْنُ عَبْدِ اللَّهِ بْنِ يَزِيدَ، قَالَ حَدَّثَنَا سُفْيَانُ، عَنِ ابْنِ طَاوُسٍ، عَنْ أَبِيهِ، عَنْ حُجْرٍ الْمَدَرِيِّ، عَنْ زَيْدٍ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " الْعُمْرَى لِلْوَارِثِ " .
also referenced under: Hadith 3716 (Reference) & Book 33, Hadith 11 (In-Book)