Nahj al-Balāgha

Hadith 36
ahl-al-bayt
ومنها: ويعني آل النبي ( صلى الله عليه وآله وسلم)
In the same sermon Amīr al-mu’minīn referred to Al an-Nabi (the Household of the Holy Prophet) as under.
Source: al-Sharīf al-Raḍī