Exodus 10:27

But the LORD hardened Pharaoh's heart, and he would not let them go.

But Yahweh hardened Pharaoh's heart, and he wouldn't let them go.

But Jehovah hardened Pharaoh's heart, and he would not let them go.

And Jehovah strengtheneth the heart of Pharaoh, and he hath not been willing to send them away;

But the LORD hardened Pharaoh’s heart, and he was unwilling to let them go.