1)
Why does the Torah mention Efrayim before Menasheh and why does it link him with Yosef ?
1.
Ramban #1: Because he was the leader of a Degel and, following Ya'akov's B'rachah, he was the B'chor - and Menasheh was secondary to him.
2.
Ramban #2: Because Efrayim was more numerous than Menasheh. 1
3.
Ramban #3: Refer to 31:11:1:1.
1
Ramban: Which explains why, by the second census, in Arvos Mo'av - where Menasheh had become more numerous, it mentions Menasheh first. See Bamidbar, 26:28. See Ramban.
2)
Why is "li'Venei" repeated ? "li'Venei Yosef li'Venei Efrayim"?
