Exodus:4:22-23
sf_leeser_rev1
@Exodus:4:22 @ And thou shalt say unto Pharaoh, Thus hath said the Lord, My son, my first–born, is Israel.
sf_leeser_rev1@Exodus:4:23 @ And I said unto thee, Let my son go, that he may serve me; and thou refusest to let him go; so, behold, I will slay thy son, thy first–born.