Immigration Law Questions? Ask an Immigration Lawyer.
Hello: This is Phillipsesq. Welcome to JustAnswer! I am reviewing your post, and I will post my response very shortly. Thank you for your patience.
Yes, it would be a problem for her to take SSI. However, even if she is unemployed, she can still sponsor your brothers. However, she would need co-sponsors who reside in the U.S. if she does not have substantial assets that can be used in place of employment. If she has retirement accounts, house, rental properties, she can use those assets to overcome the public assistance burden. Then should not need co-sponsors.