Surah Maryam 19:91
أَن دَعَوْا۟ لِلرَّحْمَـٰنِ وَلَدًا
That they attribute to the Most Merciful a son.
Translation: Saheeh International
Tafsir
that they have ascribed a son to the Compassionate One. God exalted be He says
Excerpt from Tafsir al-Jalalayn, commentary on 19:91, via Quran.com. The reader has the full commentary and 9 more tafsirs.