The requirements for a US family reunification visa vary depending on the relationship between the sponsor and the family member. However, some general requirements include:
The family member must be a citizen of a country that is eligible for family reunification visas.
The family member must meet the health and character requirements for a US visa.
The sponsor must meet the income and financial responsibility requirements.
Requirements might vary per case and/or be changed by the authorities without previous notice. Reach out to me so we assess your case.