Genesis 42:17 in the King James Version
And he put them all together into ward three days.
Context
16 Send one of you, and let him get your brother, and you shall be bound, that your words may be tested, whether there is truth in you, or else by the life of Pharaoh surely you are spies.”
17 He put them all together into custody for three days.
18 Joseph said to them the third day, “Do this, and live, for I fear God.