Adam Clarke on Genesis 46:28

He sent Judah before him unto Joseph - Judah was certainly a man of sense, and also an eloquent man; and of him Joseph must have had a very favorable opinion from the speech he delivered before him, Gen 44:18, etc.; he was therefore chosen as the most proper person to go before and announce Jacob's arrival to his son Joseph.

To direct his face unto Goshen - The land of Goshen is the same, according to the Septuagint, as the land of Rameses, and Goshen itself the same as Heroopolis, 'Ἡρωων πολις Heroonpolis, the city of heroes, a name by which it went in the days of the Septuagint, and which it still retained in the time of Josephus, for he makes use of the same term in speaking of this place. See Clarke on Gen 46:34 (note).