Question: what is a petition for alien fiance?
Answer: I-129F, Petition for Alien Fiancé(e) Use this to petition to bring your fiancé(e) (K-1) and their children (K-2) to the U.S. so you may marry your fiancé(e), or to bring your spouse (K-3) and their children (K-4) to the U.S. to apply for lawful permanent resident status.