Exodus 4:23-25

Complete Jewish Bible

²³ I have told you to let my son go in order to worship me, but you have refused to let him go. Well, then, I will kill your firstborn son!”’”

²⁴ At a lodging-place on the way, Adonai met Moshe and would have killed him, ²⁵ had not Tzipporah taken a flintstone and cut off the foreskin of her son. She threw it at his feet, saying, “What a bloody bridegroom you are for me!”