Hadith #5752 (Sahih al-Bukhari)
Book: Good Manners and Form (Al-Adab)
Narrator(s): Abu Sufyan أبو سفيان مولى بن أبي أحمد
Grade: Sahih

That Heraclius sent for him and said, “What did he, i.e. the Prophet (ﷺ) order you?” I replied, “He orders us to offer prayers; to give alms; to be chaste; and to keep good relations with our relatives.

Source: https://parallelquran.com/hadith/sahih-al-bukhari-5752/