Chicago trusted Family-Based Immigration Lawyers committed to reuniting families. Our experience in naturalization law can pave your way to U.S. citizenship. Get personalized legal guidance now. U.S. Citizens and Lawful Permanent Residents (LPRs) can petition for their foreign national relatives to become lawful permanent residents. U.S. Citizens can petition for their spouses, children under 21, their adult sons and daughters—whether married or unmarried—their parents, and…