Abraham , Isaac, and Jacob , by tradition (Talmud) all died on Nisan 1 and it is recorded of each that they were "gathered to his people".....  Gen 25:8 ; Gen 35:29 ; Gen 49:33 .

Shiloh , a messianic title, will "gather his people" Gen 49:10

An amazing video....

https://youtu.be/fKuFIL0DolU