New King James Version
I appeared to Abraham, to Isaac, and to Jacob, as God Almighty, but by My name LORD I was not known to them.

King James Bible
And I appeared unto Abraham, unto Isaac, and unto Jacob, by the name of God Almighty, but by my name JEHOVAH was I not known to them.

American Standard Version
and I appeared unto Abraham, unto Isaac, and unto Jacob, as God Almighty; but by my name Jehovah I was not known to them.

Berean Study Bible
I appeared to Abraham, to Isaac, and to Jacob as God Almighty, but by My name the LORD I did not make Myself known to them.

Douay-Rheims Bible
That appeared to Abraham, to Isaac, and to Jacob, by the name of God Almighty; and my name ADONAI I did not shew them.

English Revised Version
and I appeared unto Abraham, unto Isaac, and unto Jacob, as God Almighty, but by my name JEHOVAH I was not known to them.

World English Bible
and I appeared to Abraham, to Isaac, and to Jacob, as God Almighty; but by my name Yahweh I was not known to them.

Young's Literal Translation
and I appear unto Abraham, unto Isaac, and unto Jacob, as God Almighty; as to My name Jehovah, I have not been known to them;

Exodus 6:3 Additional Translations ...