Moses
Genesis 42:13ESV·traditional attribution

And they said, “We, your servants, are twelve brothers, the sons of one man in the land of Canaan, and behold, the youngest is this day with our father, and one is no more.”

Matthew Henry Presbyterian @wholebiblehenry

We may well wonder that Joseph, during the twenty years that he had now been in Egypt, especially during the last seven years that he had been in power there, never sent to his father to acquaint him with his circumstances; nay, it is strange that he who so often went throughout all the land of Egypt (Gen 41:45, Gen 41:46) never made an excursion...

Commenting on Genesis 42:7-20

John Gill Reformed Baptist @doctorgill

Send one of you, and let him fetch your brother,.... He proposes that one of them might be sent by them to their father's house, and bring, Benjamin down to Egypt: and ye shall be kept in prison; the rest of them till he came: that your words may be proved, whether there be any truth in you; by this it would be seen whether...

Adam Clarke Methodist @methodicalclarke

One is not - An elliptical sentence, One is not alive.