Surah Al-Hijr 15:51

وَنَبِّئْهُمْ عَن ضَيْفِ إِبْرَٰهِيمَ

And inform them about the guests of Abraham,

Translation: Saheeh International

Tafsir

And tell them of the guests of Abraham that is the angels — there were twelve ten or three of them among them Gabriel;

Excerpt from Tafsir al-Jalalayn, commentary on 15:51, via Quran.com. The reader has the full commentary and 9 more tafsirs.