Concise Quran Commentary
Except using them with their wives or the female servants they possessed, for they are blameless in taking pleasure from them through sexual intercourse and the like.
Tafsir for this Ayah
Surah 23 : Ayah 6
Surah 23 : Ayah 6
إِلَّا عَلَىٰٓ أَزْوَٰجِهِمْ أَوْ مَا مَلَكَتْ أَيْمَـٰنُهُمْ فَإِنَّهُمْ غَيْرُ مَلُومِينَ
except with their wives or slave women they may own, for then they are free of blame.