The monarchs that could have been.

Like my previous thread on culture that could have been, which persons who were heirs to their respective thrones, died before they could inherit and how would history have been different if they'd lived longer and ruled.

E.g Louis XV that could have been, if both the grand or petite dauphins had lived longer could have lead to a very different 18th century. Or Juan I of Spain the son of Isabella and Ferdinand, if he had lived longer then maybe no Hapsburg in Spain :D.
 
Tsar Nicholas' hemophiliac son could have possibly taken the throne sans revolution or an accident where he bleeds out.

Without WWI you would have new monarchs in Germany and Austria-Hungary, as well as in the Ottoman Empire
 
I'm pretty sure there's a Wikipedia category for this, so I'll just mention a few obscure/cool ones from around the 19th century.

Albert Kamehameha - only child of Kamehameha IV of Hawaii. He died at the age of 4 and was the only child of his generation in the entire royal family. Another chiefly family was elected to the throne in the 1870s, leading eventually to the American takeover.

Alfred, Hereditary Prince of Saxe-Coburg-Gotha - only son of Prince Alfred, Duke of Edinburgh. He killed himself during his parents' silver wedding anniversary over some personal crisis involving syphilis.

George, Crown Prince of Serbia - he didn't die before his parents, but he was barred from the throne after an incident in which he kicked a servant to death. He was locked up in a lunatic asylum during his younger brother's reign but allowed to live normally under Tito. His reign might have been quite interesting (in the Chinese proverbial sense) what with 2 World Wars, the rise of Communism, etc.

Prince Ferdinand Philippe, Duc d'Orleans - eldest son of Louis Philippe of France, he fell out of a carriage and banged his head, dying in the process. He was one of the two or three popular members of his family, so public opinion took a turn for the worse, especially as the new heir to the throne was a small child. This may have exacerbated the Revolution on 1848.

Agustin Jeronimo de Iturbide - eldest son of Emperor Agustin of Mexico. His father spent less than a year as Emperor, but that kind of thing leaves an impression on a teenager, so AJ spent the rest of his life as a political hot potato and adventurer. He went to a boarding school in Yorkshire, held military command under Bolivar and was a member of the Papal Zouaves, who had the best uniform in 19th century Europe, bar the Swiss Guards.

Jacques-Victor Henry, Prince Royal of Haiti - son of Henry Christophe, self-proclaimed King of northern Haiti. His dad died in 1820 but he didn't inherit the throne because Henry's governance was crap - he kept the old slave plantations running, sans the slaves - and he'd only managed to keep the north with the strength of his personality. J-V and most of the high command were butchered in their own Palace within 10 days of his father's death. He was 16 at the time.
 
I'm intrigued by this question but....
Is this just princes or heirs who died before they could take the throne or does it include princes/heirs who never got the chance for another reason?

Example: James (III) Stuart, the Old Pretender or Gustav, Prince of Vasa (son of the deposed Gustav IV of Sweden) or even Arthur, Duke of Brittany, who many considered the heir of his uncle, Richard the Lionhearted, rather than his other uncle, John?

Because that opens a huge set of possibilities.
 
I'm intrigued by this question but....
Is this just princes or heirs who died before they could take the throne or does it include princes/heirs who never got the chance for another reason?

Example: James (III) Stuart, the Old Pretender or Gustav, Prince of Vasa (son of the deposed Gustav IV of Sweden) or even Arthur, Duke of Brittany, who many considered the heir of his uncle, Richard the Lionhearted, rather than his other uncle, John?

Because that opens a huge set of possibilities.

Recognised heirs before they died, heir of deposed monarch also count but I'm more intrested in those that were expected to inherit before hades came calling, since James and Gustavo weren't in line when they died I don't really count them in.
 
Frederick III of Germany: Already the Kaiser, but he died after 99 days in office. Had he not died he would probably have been much more liberal and pro-UK than his brother Wilhelm II.
 
Frederick III of Germany: Already the Kaiser, but he died after 99 days in office. Had he not died he would probably have been much more liberal and pro-UK than his brother Wilhelm II.

True he was pretty liberal but he was also a pretty strong nationalist, so we may see a more rigorous assimilation plan for the poles.


Ps he was the father of Wilhelm II
 
Just a few off the top of my head:

Tsarevich Ivan Ivanovich, eldest son of Ivan the Terrible, brother of Feodor I. Killed by the elder Ivan in a fit of rage.

Grand Duke Michael Alexandrovich, brother of Nicholas II. Chosen to be Nicholas' successor instead of Alexei before the Soviet takeover.

Constantine Laskaris, son of Theodore I Laskaris and Philippa, niece of Levon II of Armenia, who Theodore divorced when he found out she wasn't Levon's daughter. Named Doux of Thrakesion in 1249 under John III Vatatzes. Nothing else is known about him.

Prince Frederick, eldest son of George II of Great Britain, father of George III.
 
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