This authoritative Commentary on the recast Regulation 2019/1111 on matters of matrimonial and parental responsibility presents a deep analysis of the Regulation and is authored by leading experts in family law and private international law. Employing a granular, article-by-article approach, the Commentary acts as a detailed reference point on the uniform jurisdiction rules for divorce, legal separation and marriage annulment, as well as for disputes over parental responsibility with an international element, including child abduction.