Exodus 4:23-25

BRG Bible

²³ And I say unto thee, Let my son go, that he may serve me: and if thou refuse to let him go, behold, I will slay thy son, even thy firstborn.

²⁴ ¶ And it came to pass by the way in the inn, that the Lord met him, and sought to kill him.

²⁵ Then Zipporah took a sharp stone, and cut off the foreskin of her son, and cast it at his feet, and said, Surely a bloody husband art thou to me.