Jami At Tirmidhi
1350
Sahih+3

Jabir narrated that the Prophet (ﷺ) said:"Whichever man is given a lifelong gift for himself and his offspring, then it belongs to the one whom it was given, it does not return to the one who gave it, for he has given a gift which shall be included in the inheritance

SahihAhmad Muhammad Shakir
SahihAl-Albani