from his father, from his grandfather that he Prophet (ﷺ) would take from his beard; from its breadth and its length.
Jami` at-Tirmidhi Book 43, Hadith 32
← Previous Hadith that the Messenger of Allah (ﷺ) said: "Whoever does not take from his mustache, then he is not from us."

Jami` at-Tirmidhi Book 43, Hadith 31 Next Hadith → that the Messenger of Allah (ﷺ) said: "Trim the mustache and leave the beard to grow."

Jami` at-Tirmidhi Book 43, Hadith 33