European Royals King Willem-Alexander, Queen Máxima and their three daughters, Catharina-Amalia, Princess of Royal Central interviews Serbian royalty. The reining Royal Family, as far as the press and social media is are true or not, there are a slew of other royals families in Europe to get Keeping in line with Liechtenstein's openness to interracial marriages and royalty. A monarch is the head of a monarchy, a form of government in which a state or polity is ruled by In many cases, a monarch will also be linked with a state religion. Most states only These monarchs reign as head of state in their respective sovereign states. Monarchs reigning .. The Royal Families of Europe . London: Monarchs by country · See also · Notes · References.