These be the sons of Leah, &c.— That is, the sons, together with their offspring, as the context plainly shews. When it is said, all the souls were thirty-three, Jacob is plainly reckoned among the number.
Related Commentaries of Genesis 46:15
Genesis 46:15
15 These be the sons of Leah, which she bare unto Jacob in Padanaram, with his daughter Dinah: all the souls of his sons and his daughters were thirty and three.