Sending I-130 and I-485 --documents to prove family relationship

dog8food

Registered Users (C)
My fiancee and I are going to submit forms as soon as we get married (because her visa will expire a few weeks after anyway). As I'm reading the section in the I-130 instructions that says "Documents to prove family relationship," All we need to send at this time is our marriage certificate, correct? It's not necessary to show proof of a genuine relationship until the interview, right?
 
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