1)
Where did they come with Zerubavel?
1.
Rashi: They came from Bavel to Eretz Yisrael.
2.
Refer to Ezra 2:2:1:1.
2)
Why is Yeshu'a listed before Nechemyah?
1.
Rashi: This is Yehoshua the Kohen Gadol.
3)
Who is Mordechai Bilshan?
1.
Refer to Ezra 2:2:3:1-2 and the note there.


