Noblemen

Guy Fawkes was a member of an infamous group which unsuccessfully plotted the murder of King James I. The plot, which came to be known as the Gunpowder Plot, became popular and Guy Fawkes became synonymous with the plot. The failure of the plot has been commemorated as Guy Fawkes Night, during which Fawkes' effigy is burned on a bonfire.

Marquis de Lafayette was a French aristocrat and military officer, who  is remembered for fighting in the American Revolutionary War, as the commander of American troops in several battles. After returning to France, he played key roles in the French Revolution of 1789 and the July Revolution of 1830. Considered a hero in both America and France, he advocated the end of slavery.  

Philippe I, Duke of Orléans received the dukedoms of Chartres and Valois in 1661 as the younger son of Louis XIII of France. Unlike most royal persons of his generation, Philippe was open about his homosexuality and did not think twice before acting effeminately in public. However, he fathered several children and earned the nickname the grandfather of Europe.

Antoine Lavoisier was a French chemist and nobleman. He played a crucial role during the chemical revolution of the 18th-century. Widely regarded as the father of modern chemistry, Lavoisier had a major influence on the history of biology as well as the history of chemistry. He also helped build the metric system. 

Alexei Nikolaevich, Tsarevich of Russia was the heir apparent to the Russian Empire's throne. The only son of Empress Alexandra Feodorovna and Emperor Nicholas II, Alexei was born with haemophilia, which was treated by the popular faith healer Grigori Rasputin. In 1918, Alexei and his family members were executed brutally by Communist revolutionaries.  

Otto von Habsburg was the son of Charles I, the last emperor of Austria. A staunch opponent of Nazism, he called for the unification and integration of Europe. He had been a European Parliament member and spearheaded the Pan-European Picnic at the Austrian-Hungarian border during the 1989 revolution.

John of Gaunt was an English prince, statesman, and military leader. An influential figure, John of Gaunt is credited with founding the royal House of Lancaster, which would later produce men to ascend the royal throne. Early in his career, John spent considerable time in Spain participating in the Hundred Years' War.

Henry FitzRoy, Duke of Richmond and Somerset, was the son of Henry VIII and his mistress Elizabeth Blount. Henry FitzRoy was the only illegitimate child acknowledged by King Henry VIII of England. In spite of being an illegitimate child, Henry FitzRoy was made Duke of Richmond and Somerset. He was later made Lord-Lieutenant of Ireland. 

Grigory Potemkin was a Russian statesman, military leader, and nobleman. A favorite of Catherine the Great, Grigory Potemkin was appointed governor-general of Russia's southern provinces in 1775. An influential personality, Potemkin supervised the construction of several important edifices, such as the Tauride Palace. He is also credited with founding the towns of Ekaterinoslav, Sevastopol, Kherson, and Nikolayev.

Kazimierz Pułaski was a Polish nobleman, military commander, and soldier. Dubbed the father of the American cavalry, Pulaski is credited with creating the Pulaski Cavalry Legion and reorganizing the American cavalry. He played an important role in the American Revolutionary War and is remembered for fighting for the independence of Poland and the United States.

Crown Prince Rudolf of Austria was heir apparent to the throne of the Austro-Hungarian Empire. The only son of Elisabeth in Bavaria and Emperor Franz Joseph I, Rudolf died at the age of 30 at the Mayerling hunting lodge in an assumed suicide pact with his lover Mary Vetsera. The incident has inspired several works of art, such as cinema.

Prince Henrik, husband of Queen Margrethe II of Denmark, was a skilled winemaker and a talented poet, known for his flamboyant lifestyle. He had often publicly expressed his unhappiness over not being named a king and also declared he wouldn’t want to be buried next to his wife.

Pedro Álvares Cabral was a Portuguese nobleman, navigator, explorer, and military commander. Regarded as a prominent figure of the Age of Discovery, Cabral is often remembered as one of the earliest Europeans to set his foot on Brazil. Pedro Álvares Cabral is also remembered for his voyage to India in a failed attempt to return to Europe with valuable spices.

Afonso de Albuquerque was a Portuguese statesman, admiral, and general. A fierce military commander, Albuquerque expanded the influence of the Portuguese across the Indian Ocean while serving as the viceroy of the Portuguese State of India from 1509 to 1515. Afonso de Albuquerque's military brilliance in the initial Portuguese campaigns helped Portugal to become the first intercontinental empire in history. 

Jean, Grand Duke of Luxembourg was exiled with his family following the German occupation of Luxembourg during World War II. A Royal Military Academy Sandhurst alumnus, he was part of the D-Day landings and the liberation of Luxembourg from the Nazis, and later turned Luxembourg into a financial hub.

Archduke Karl Ludwig of Austria was the younger brother of both Maximilian I of Mexico and Franz Joseph I of Austria. Ludwig is remembered as the father of Archduke Franz Ferdinand of Austria whose assassination in Sarajevo is widely regarded as the most immediate cause of the First World War. Ludwig's grandson Charles I was the last emperor of Austria.

Prince Edward, Duke of Kent and Strathearn was the father of Queen Victoria. His army career took him to Canada and the West Indies, making him the first royal family member to stay in North America. He was also the governor of Gibraltar and played a major role in Canada’s development.