Komentaryo sa Genesis 15:14: Midrash Lekach Tov, Rashi, Chizkuni & Da'at Zekenim

Reuben, Simeon, Levi, and Judah. The twelve tribes, corresponding to the twelve zodiac signs. Know that all the tribes were named after their greatness in Israel. Reuben, named after "And the Lord saw that the affliction of his people" (Exodus 3:7). Simeon, named after "And God heard their cry" (Exodus 2:24). Levi, named after "And many nations shall be joined to the Lord" (Zechariah 2:11). Judah, named after "I will praise you, O Lord, for you were angry with me" (Isaiah 12:1). Issachar, named after "Because there is a reward for your labor" (Jeremiah 31:15). Zebulun, named after the Temple, "I will build a house for you in Zebulun" (1 Kings 8:13). Dan, named after "I have judged" (Genesis 49:16). Naphtali, named after "He gives sweet words" (Song of Songs 4:11). Gad, named after the manna, "And the manna is like the seed of Gad" (Numbers 11:7). Asher, named after "And all nations will call you blessed" (Malachi 3:12). Joseph, named after "The Lord will once again stretch forth his hand" (Isaiah 11:11). Benjamin, named after "The Lord swore by his right hand" (Isaiah 62:8). We learn that all the names of the tribes were named after the good redemption and salvation of Israel.

וגם את הגוי AND ALSO THAT NATION — The word וגם and also—(that nation also will I judge)—suggests that other nations will be judged as well: it is used here to include the four Monarchies (of the book of Daniel) who also will perish because they enslaved Israel (Genesis Rabbah 44:19).

את הגוי, the subject is the exile in Egypt.