فَٱلْتَقَطَهُۥٓ ءَالُ فِرْعَوْنَ لِيَكُونَ لَهُمْ عَدُوًّا وَحَزَنًا ۗ إِنَّ فِرْعَوْنَ وَهَـٰمَـٰنَ وَجُنُودَهُمَا كَانُوا۟ خَـٰطِـِٔينَ Qur’an Al-Qasas (28:8)Fa i ltaqa t ahu a lu firAAawna liyakoona lahum AAaduwwan wa h azanan inna firAAawna wah a m a na wajunoodahum a k a noo kh at ieen a
As is evident from the next verse as well as from 66:11 , it was Pharaoh's own wife.
This was the Plan of Providence: that the wicked might cast a net round themselves by fostering the man who was to bring them to naught and be the instrument of their punishment,-or (looking at it from the other side) that Moses might learn all the wisdom of the Egyptians in order to expose all that was hollow and wicked in it.