Ta-Ha - 20:49

قَالَ فَمَن رَّبُّكُمَا يَا مُوسَى
[20:49]
(Firon) said: And who is your Lord, O Musa?
(When this message was delivered), (Pharaoh) said: "Who, then, O Moses, is the Lord of you two?"
(Pharaoh) said: Who then is the Lord of you twain, O Moses?