The Prophet ﷺ said: If anyone is given life-tenancy, it belongs to him and to his descendants. His descendants who inherit him will inherit from it.
أَنَّ النَّبِيَّ ﷺ قَالَ مَنْ أُعْمِرَ عُمْرَى فَهِيَ لَهُ وَلِعَقِبِهِ يَرِثُهَا مَنْ يَرِثُهُ مِنْ عَقِبِهِ