Judgment of the Court (First Chamber) of 12 December 2019.#G.S. and V.G. v Staatssecretaris van Justitie en Veiligheid.#Requests for a preliminary ruling from the Raad van State.#References for a preliminary ruling — Border controls, asylum and immigration — Immigration policy — Directive 2003/86/EC — Right to family reunification — Requirements for the exercise of the right to family reunification — Concept of ‘grounds of public policy’ — Rejection of an application for entry and residence of a family member — Withdrawal of or refusal to renew a residence permit of a family member.#Joined Cases C-381/18 and C-382/18.