| 451 | Carlist pretender to the Spanish thronec | Prince Sixtus Henry of Bourbon-ParmaCarlist pretender to the Spanish throne (c) | Bourbon-Parma (House of) | 🇪🇸ES | | Prince Xavier of Bourbon-Parma | 0 ch. | 86 |
| 452 | Princess of Savoyc | Princess Maria Gabriella of SavoyPrincess of Savoy (c) | Savoy (House of) | 🇮🇹IT | | Umberto II of Italy | 1 ch.Children (no sourced line of succession) | 86 |
| 453 | Countess of Merenbergc | Countess Clotilde of MerenbergCountess of Merenberg (c) | Nassau (House of) | 🇩🇪DE | | unknown | 3 ch.Children (no sourced line of succession) | 85 |
| 454 | unknown | Ömer Abdülmecid Osmanoğlu | Ottoman dynasty | 🇹🇷TR | | unknown | 0 ch. | 85 |
| 455 | unknown | Leopold Prinz von Bayern | Wittelsbach (House of) | 🇩🇪DE | | Konstantin Prinz von Bayern | 4 ch.Children (no sourced line of succession) | 83 |
| 456 | Prince of Bavariac | Prince Adalbert of BavariaPrince of Bavaria (c) | Wittelsbach (House of) | 🇩🇪DE | | Konstantin Prinz von Bayern | 2 ch.Children (no sourced line of succession) | 81 |
| 457 | Princec | Michael Prinz von Sachsen-Weimar-EisenachPrince (c) | Wettin (House of) | 🇩🇪DE | | Charles Augustus, Hereditary Grand Duke of Saxe-Weimar-Eisenach | 1 ch.Children (no sourced line of succession) | 79 |
| 458 | Prince of Prussiac | Prince Christian-Sigismund of PrussiaPrince of Prussia (c) | Hohenzollern (House of) | 🇩🇪DE | | Louis Ferdinand, Prince of Prussia | 3 ch.Children (no sourced line of succession) | 80 |
| 459 | unknown | Baudoin de Witt | Bonaparte (House of) | — | | Marie Clotilde Bonaparte | 3 ch.Children (no sourced line of succession) | 79 |
| 460 | Prince of Hanoverc | Prince Georg of HanoverPrince of Hanover (c) | Hanover (House of) | 🇩🇪DE+1 | | Prince George William of Hanover | 2 ch.Children (no sourced line of succession) | 76 |
| 461 | Princec | Luitpold Prinz von BayernPrince (c) | Wittelsbach (House of) | 🇩🇪DE | | Prince Ludwig of Bavaria | 5 ch.Children (no sourced line of succession) | 75 |
| 462 | unknown | Marie of Hanover | Hanover (House of) | 🇩🇪DE | | Prince Ernest Augustus of Hanover | 2 ch.Children (no sourced line of succession) | 73 |
| 463 | unknown | Ernst August von Hannover | Hanover (House of) | 🇩🇪DE+1 | | Prince Ernest Augustus of Hanover | 3 ch.Children (no sourced line of succession) | 72 |
| 464 | Archduchessc | Maria-Anna GalitzineArchduchess (c) | Habsburg (House of) | 🇦🇹AT | | unknown | 6 ch.Children (no sourced line of succession) | 72 |
| 465 | Princess of Hanoverc | Princess Friederike of HanoverPrincess of Hanover (c) | Hanover (House of) | 🇩🇪DE | | Prince George William of Hanover | 2 ch.Children (no sourced line of succession) | 72 |
| 466 | Prince of Orléans-Braganzac | Prince Francisco of Orléans-BraganzaPrince of Orléans-Braganza (c) | Braganza (House of) | 🇧🇷BR | | unknown | 4 ch.Children (no sourced line of succession) | 69 |
| 467 | Prince de lac | Prince Jérôme NapoléonPrince de la (c) | Bonaparte (House of) | 🇫🇷FR | | Louis, Prince Napoléon | 0 ch. | 69 |
| 468 | unknown | Jeanne-Françoise Valliccioni | Bonaparte (House of) | 🇫🇷FR | | unknown | 1 ch.Children (no sourced line of succession) | 68 |
| 469 | Prince of Yugoslaviac | Prince Nikola of YugoslaviaPrince of Yugoslavia (c) | Karađorđević (House of) | 🇬🇧GB | | Prince Tomislav of Yugoslavia | 1 ch.Children (no sourced line of succession) | 68 |
| 470 | Princess of Hanoverc | Princess Olga of HanoverPrincess of Hanover (c) | Hanover (House of) | 🇩🇪DE | | Prince Ernest Augustus of Hanover | 0 ch. | 68 |
| 471 | unknown | Ljiljana av Jugoslavia | Karađorđević (House of) | — | | unknown | 1 ch.Children (no sourced line of succession) | 66 |
| 472 | Princec | Heinrich Prinz von HannoverPrince (c) | Hanover (House of) | 🇩🇪DE | | Prince Ernest Augustus of Hanover | 4 ch.Children (no sourced line of succession) | 65 |
| 473 | Princess of Prussiac | Princess Désirée of PrussiaPrincess of Prussia (c) | Hohenzollern (House of) | — | | Prince Karl Franz of Prussia | 1 ch.Children (no sourced line of succession) | 65 |
| 474 | unknown | Princess Tania de Bourbon Parme | Bourbon-Parma (House of) | 🇫🇷FR | | Prince André of Bourbon-Parma | 1 ch.Children (no sourced line of succession) | 64 |
| 475 | Princess of Waldburg-Zeil-Trauchburgc | Duchess Mathilde, Princess of Waldburg-Zeil-TrauchburgPrincess of Waldburg-Zeil-Trauchburg (c) | Württemberg (House of) | 🇩🇪DE | | Carl, Duke of Württemberg | 5 ch.Children (no sourced line of succession) | 64 |
| 476 | Prince of Serbiac | Prince Vladimir of SerbiaPrince of Serbia (c) | Karađorđević (House of) | 🇬🇧GB | | Prince Andrew of Yugoslavia | 0 ch. | 62 |
| 477 | Princess of Hessec | Mafalda von HessenPrincess of Hesse (c) | Hesse (House of) | 🇩🇪DE | | Moritz, Landgrave of Hesse | 4 ch.Children (no sourced line of succession) | 61 |
| 478 | Landgrave of Hessec | Donatus, Landgrave of HesseLandgrave of Hesse (c) | Hesse (House of) | 🇩🇪DE | | Moritz, Landgrave of Hesse | 2 ch.Children (no sourced line of succession) | 60 |
| 479 | unknown | Q141214401 | Bonaparte (House of) | 🇧🇪BE | | unknown | 0 ch. | 60 |
| 480 | Duchess in Bavariac | Duchess Marie Caroline in BavariaDuchess in Bavaria (c) | Wittelsbach (House of) | 🇩🇪DE | | Max Emanuel Herzog in Bayern | 4 ch.Children (no sourced line of succession) | 57 |
| 481 | Prince of Venicec | Emanuele Filiberto of Savoy, Prince of VenicePrince of Venice (c) | Savoy (House of) | 🇨🇭CH+1 | | Vittorio Emanuele, Prince of Naples | 2 ch.Children (no sourced line of succession) | 54 |
| 482 | Count of Bardic | Jaime de Bourbon de ParmeCount of Bardi (c) | Bourbon-Parma (House of) | 🇳🇱NL | | Carlos Hugo, Duke of Parma | 2 ch.Children (no sourced line of succession) | 54 |
| 483 | unknown | Orhan Murad Osmanoğlu | Ottoman dynasty | 🇬🇧GB+1 | | unknown | 0 ch. | 53 |
| 484 | Hereditary Duchess of Württembergc | Duchess Marie, Hereditary Duchess of WürttembergHereditary Duchess of Württemberg (c) | Wied-Neuwied (House of) | 🇩🇪DE | | unknown | 3 ch.Children (no sourced line of succession) | 52 |
| 485 | unknown | Laetitia de Witt | Bonaparte (House of) | 🇫🇷FR | | Baudoin de Witt | 1 ch.Children (no sourced line of succession) | 52 |
| 486 | unknown | Tristan de Bourbon-Parme | Bourbon-Parma (House of) | 🇫🇷FR | | unknown | 0 ch. | 52 |
| 487 | Princec | Mahmud Namık OsmanoğluPrince (c) | Ottoman dynasty | 🇬🇧GB | | unknown | 0 ch. | 51 |
| 488 | unknown | Georg Friedrich Prinz von Preussen | Hohenzollern (House of) | 🇩🇪DE | | Prince Louis Ferdinand of Prussia | 4 ch.Children (no sourced line of succession) | 50 |
| 489 | unknown | Amélie de Bourbon-Parma | Bourbon-Parma (House of) | 🇫🇷FR | | Prince Michel of Bourbon-Parma | 0 ch. | 49 |
| 490 | unknown | Daniel Adrian Hamid Kadir Osmanoğlu | Ottoman dynasty | — | | unknown | 0 ch. | 49 |
| 491 | unknown | Duchan Paul Karageorgievich | Karađorđević (House of) | — | | Prince Alexander of Yugoslavia | 0 ch. | 49 |
| 492 | Princess of Plauenc | Princess Henriette Reuss of PlauenPrincess of Plauen (c) | Reuss (House of) | 🇨🇭CH | | unknown | 0 ch. | 49 |
| 493 | Princess of Prussiac | Princess Cornelie-Cecilé of PrussiaPrincess of Prussia (c) | Hohenzollern (House of) | — | | Prince Louis Ferdinand of Prussia | 0 ch. | 48 |
| 494 | unknown | Selim Süleyman Osmanoğlu | Ottoman dynasty | 🇬🇧GB+1 | | unknown | 0 ch. | 46 |
| 495 | Duchess of Anjouc | María Margarita Vargas SantaellaDuchess of Anjou (c) | Bourbon (House of) | 🇻🇪VE+1 | | unknown | 4 ch.Children (no sourced line of succession) | 43 |
| 496 | Prince of Hanoverc | Prince Ernst August of HanoverPrince of Hanover (c) | Hanover (House of) | 🇩🇪DE+1 | | Ernst August von Hannover | 3 ch.Children (no sourced line of succession) | 43 |
| 497 | Prince of Yugoslaviac | Prince George of YugoslaviaPrince of Yugoslavia (c) | Karađorđević (House of) | 🇬🇧GB | | Prince Tomislav of Yugoslavia | 0 ch. | 42 |
| 498 | unknown | Naz Osmanoglu | Ottoman dynasty | — | | unknown | 0 ch. | 41 |
| 499 | Prince of Yugoslaviac | Prince Michael of YugoslaviaPrince of Yugoslavia (c) | Karađorđević (House of) | 🇬🇧GB | | Prince Tomislav of Yugoslavia | 2 ch.Children (no sourced line of succession) | 40 |
| 500 | unknown | Q136116183 | Ottoman dynasty | — | | unknown | 0 ch. | ~40 |