Family-Based Permanent Residency Helpful Links
USICS Information on Green Card Eligibility for Family Preference Immigrants:
https://www.uscis.gov/green-card/green-card-eligibility/green-card-for-family-preference-immigrants
USICS Information on Helping a Family Member Immigrate:
US Department of State Information on Family Immigration:
https://travel.state.gov/content/travel/en/us-visas/immigrate/family-immigration.html