(Freedom of movement of persons - Regulation (EEC) No 1612/68 - Article 12 - Divorced spouse of a national of a Member State who has worked in another Member State - Adult child pursuing his studies in the host Member State - Right of residence of parent who is national of a non-Member State - Directive 2004/38/EC - Articles 16 to 18 - Right of permanent residence of family members of a Union citizen who are not nationals of a Member State - Legal residence - Residence based on Article 12 above)