Sentence:  Now the sons of Jacob were twelve: 23 The sons of Leah; Reuben, Jacob's firstborn, and Simeon, and <WSD>Levi</WSD>, and Judah, and Issachar, and Zebulun: 24 The sons of Rachel; Joseph, and Benjamin: 25 And the sons of Bilhah, Rachel's handmaid; Dan, and Naphtali: 26 And the sons of Zilpah, Leah's handmaid; Gad, and Asher: these are the sons of Jacob, which were born to him in Padan-aram. 
Meaning of the word marked with <WSD> tags:  The third son of Jacob, by his wife Leah.