Surah Maryam 19:88

وَقَالُوا۟ ٱتَّخَذَ ٱلرَّحْمَـٰنُ وَلَدًا

And they say, "The Most Merciful has taken [for Himself] a son."

Translation: Saheeh International

Tafsir

And they say that is the Jews and the Christians and those who claim that the angels are God’s daughters ‘The Compassionate One has taken a son’. But God exalted be He says to them

Excerpt from Tafsir al-Jalalayn, commentary on 19:88, via Quran.com. The reader has the full commentary and 9 more tafsirs.