I 751 filing question

[livelife]

Hello all,
a)do we need to notarize a I 751 form?
b) under # 5 of the form, it says to list YOUR children, Your means Alien's corret? do we have to list Step children's name or no ?
c) how important is affidavit letter from friends?

thanks

 

[Triple Citizen]

A1: No
A2: Your = Alien
A3: Carries the least weight in my opinion