There is also another way of Family Immigration which is through Special Categories
. The applicant may get the Green Card if he/she is a battered child or spouse of a U.S. citizen, entered the United States with a K1 visa/ K3 visa, obtained V non-immigrant status, a widow(er) of a U.S. Citizen , or born to a foreign diplomat in the United States. If the applicant applies based on the Special Category, he/she must provide relevant proof of the required evidence.