My Brother will be my joint sponsor for my wife who came to US as B2 Visitor visa. But they are asking for Proof of our relationship. I know if you were born in US, it is very simple and get Birth Certificate with same mother. But what about people born in other country and came here as immigration? Although we both are US Citizen, it is difficult to find form with our name together.
I will be very appreciative with your help, thank you.
I will be very appreciative with your help, thank you.