Al-Ma'arij 70:30

إِلَّا عَلَىٰٓ أَزۡوَٰجِهِمۡ أَوۡ مَا مَلَكَتۡ أَيۡمَٰنُهُمۡ فَإِنَّهُمۡ غَيۡرُ مَلُومِينَ 30

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