Genesis 42:19

19 if ye [are] right men, let one of your brethren be bound in the house of your ward, and ye, go, carry in corn [for] the famine of your houses,

Genesis 42:19 Meaning and Commentary

Genesis 42:19

If ye [be] true [men]
As you say you are: let one of your brethren be bound in the house of your prison;
agree among yourselves which of you (for one of you must) remain in prison where you are: and the rest being set at liberty, go ye, carry corn for the famine of your houses;
Joseph, though he dealt with them after this manner to get what knowledge he could of his family, and to get sight of his brother, yet was concerned for the good of them and theirs, lest they should be in extreme want through the famine, and that they might have a speedy supply of corn, was not willing to detain them any longer.

Genesis 42:19 In-Context

17 and he removeth them unto charge three days.
18 And Joseph saith unto them on the third day, `This do and live; God I fear!
19 if ye [are] right men, let one of your brethren be bound in the house of your ward, and ye, go, carry in corn [for] the famine of your houses,
20 and your young brother ye bring unto me, and your words are established, and ye die not;' and they do so.
21 And they say one unto another, `Verily we [are] guilty concerning our brother, because we saw the distress of his soul, in his making supplication unto us, and we did not hearken: therefore hath this distress come upon us.'
Young's Literal Translation is in the public domain.