Surah Maryam 19:34

ذَٰلِكَ عِيسَى ٱبْنُ مَرْيَمَ ۚ قَوْلَ ٱلْحَقِّ ٱلَّذِى فِيهِ يَمْتَرُونَ

That is Jesus, the son of Mary - the word of truth about which they are in dispute.

Translation: Saheeh International

Tafsir

That is Jesus son of Mary a statement of truth read qawlu’l-haqqi as the predicate of an implied subject in other words ‘the statement of the son of Mary is a statement of truth’; …

Excerpt from Tafsir al-Jalalayn, commentary on 19:34, via Quran.com. The reader has the full commentary and 9 more tafsirs.