Exodus 4:22

And thou shalt say unto Pharaoh, Thus saith the LORD, Israel is my son, even my firstborn:

You shall tell Pharaoh, 'Thus says Yahweh, Israel is my son, my firstborn,

And thou shalt say unto Pharaoh, Thus saith Jehovah, Israel is my son, my first-born:

and thou hast said unto Pharaoh, Thus said Jehovah, My son, My first-born `is' Israel,

Then tell Pharaoh that this is what the LORD says: ‘Israel is My firstborn son,