Surah Al-Ma'arij 70:30

إِلَّا عَلَىٰٓ أَزْوَٰجِهِمْ أَوْ مَا مَلَكَتْ أَيْمَـٰنُهُمْ فَإِنَّهُمْ غَيْرُ مَلُومِينَ

Except from their wives or those their right hands possess, for indeed, they are not to be blamed -

Translation: Saheeh International

Tafsir

except from their wives and those whom their right hands own in the way of slavegirls for in that case they are not blameworthy;

Excerpt from Tafsir al-Jalalayn, commentary on 70:30, via Quran.com. The reader has the full commentary and 9 more tafsirs.