Family Based Green Card for Brother - Can someone please answer my questions

[khide]

I am a US citizen and want to apply Green card for My brother, I know I have to fill in I-130 form. Here are my questions.

1. My brother is married and has two young kids do I apply for all of them in one I-130 form?
2. Do I have fill out G-325A form for my brother, myself or his wife and kids, with the application.
3. What kind of supporting documents I need to submit? I have a copy of his birth certificate and mine.
4. Do I have to submit his marriage certificates and his kids birth certificates?
5. Do I submit the application at the chicago office?

Thank you!

[immihelp]

1. Just for your brother. And mention everyone's name in them.

2. No.

3. 4. 5.
Read https://www.immihelp.com/family-based-greencard/