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Green Card - Family Fourth Preference - Frequently Asked Questions


How do I petition for my brother or sister, we have the same father but different mothers?

If you are a U.S. citizen seeking permanent residency for your brother or sister, and you have the same father but different mothers, you must file the following items with the U.S. Citizenship and Immigration Services:

  • Form I-130, Petition for Alien Relative
  • A copy of your birth certificate showing your name and your father’s name
  • If you were not born in the U.S., a copy of either
  • Your Certificate of Naturalization or Citizenship, or
  • Your U.S. passport
  • A copy of your brother’s or sister’s birth certificate showing his or her name and your mother’s name
  • A copy of your father’s marriage certificate to each mother
  • A copy of any divorce decrees, death certificates, or annulment decrees showing that any previous marriages entered into by your parents or your sibling’s parents ended legally

Note: If anyone’s name has been legally changed (if it differs from the name on his or her birth certificate), evidence of the name change must be submitted.

Note: If either you or your sibling were born out of wedlock (your birth parents were not married when you were born), you must provide evidence that you took the actions necessary to satisfy the legitimation law of the birth country of the person born out of wedlock while the individual was under 18 years of age and unmarried. Legitimation laws require fathers to legally acknowledge their children.

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