Sunan Ibn Majah
2714
Sahih+3

It was narrated that Anas bin Malik said:“I was under the she-camel of the Messenger of Allah (ﷺ) and its saliva was dripping between my shoulders, and I heard him say: 'Allah (SWT) has given each person who has rights his rights, but there is no bequest for an heir.”

SahihAl-Albani
SahihMuhammad Fouad Abd al-Baqi