thanks, but from instruction for I-130, it says:

来源: 2008-02-27 23:48:00 [旧帖] [给我悄悄话] 本文已被阅读:

A father: Submit a copy of your birth certificate showing the names of both parents. Also give a copy of your parents' marriage certificate establishing that your father was married to your mother before you were born, and copies of documents showing that any prior marriages of either your father or mother were legally terminated.