Reigning Royalty Descended from Queen Victoria and King Christian IX
Queen Victoria of the United Kingdom and King Christian IX of Denmark arranged the marriage between their eldest son and eldest daughter respectively, starting a trend in which their descendants were strategically married into royal houses all over Europe. Accordingly, she is often known as the "Grandmother of Europe" and he as the "Father-in-law of Europe" because many members of the various royal families of Europe are descended from them. In this quiz for royal history buffs, guess which monarchs, royal consorts, or future monarchs can count Queen Victoria, King Christian IX, or both as an ancestor.
First names are sufficient; you do not need to include titles in your guesses.