How to make Poland a hereditary monarchy?

I'm planning a timeline, and I'm just trying to think how to ensure the Polish-Lithuanian Commonwealth can become a hereditary monarchy. The timeline scenario is either going to be the Tudor era, or the Charles II era.

So, in your opinions, how might Poland become a hereditary monarchy during either period, and how can it remain as such?
 
To be honest, you might want to consider what you call the Tudor era. The Sejm were prepared to accept any son of Sigismund II as a legitimate heir. However, IIRC, the male Jagiellons didn't have the best of luck when it came to children.
 
First option-Jagiellon line continues-in theory Poland was elective monarchy even under Jagiellons, but in fact it is unlikely that any candidate from other dynasty would get the crown as long as there are Jagiellons around. The same could be done with Vasas-they were seen as continuation of Jagiellons, election of Vasa candidate was only formality as long as there were male heirs around. If John Casimir has a surviving son (he had short living son John Sigismund IOTL, just make him survive) it is almost guaranteed he would be elected-by the time of John Casimir's death Vasas would rule Poland-Lithuania from over 80 years, John Casimir became quite unpopular IOTL but lack of heir was one of most important reasons for it-lacking sons he tried to ensure election of Henri, prince Conde, who was married to his wife's niece-idea of election vivente rege of "some Frenchman" was really unpopular among nobles and was one of the reasons of civil war, he would not do it if he had a son.
Other option is personal union with territory which is bot hereditary monarchy and valuable land for PLC (it could be Moldavia or Prussia). I've planned timeline, where Albert Frederick Hohenzollern, duke of Prussia (and cousin of Sigismund Augustus) converted to Catholicism and won first or second free election, as result he became elected king of PLC (with Jagiellonian blood in his veins) and hereditary ruler of Ducal Prussia in one person.
 
To be honest, you might want to consider what you call the Tudor era. The Sejm were prepared to accept any son of Sigismund II as a legitimate heir. However, IIRC, the male Jagiellons didn't have the best of luck when it came to children.

Hmm interesting, in regards to the Tudor era, I guess anytime between 1485-1603.

First option-Jagiellon line continues-in theory Poland was elective monarchy even under Jagiellons, but in fact it is unlikely that any candidate from other dynasty would get the crown as long as there are Jagiellons around. The same could be done with Vasas-they were seen as continuation of Jagiellons, election of Vasa candidate was only formality as long as there were male heirs around. If John Casimir has a surviving son (he had short living son John Sigismund IOTL, just make him survive) it is almost guaranteed he would be elected-by the time of John Casimir's death Vasas would rule Poland-Lithuania from over 80 years, John Casimir became quite unpopular IOTL but lack of heir was one of most important reasons for it-lacking sons he tried to ensure election of Henri, prince Conde, who was married to his wife's niece-idea of election vivente rege of "some Frenchman" was really unpopular among nobles and was one of the reasons of civil war, he would not do it if he had a son.
Other option is personal union with territory which is bot hereditary monarchy and valuable land for PLC (it could be Moldavia or Prussia). I've planned timeline, where Albert Frederick Hohenzollern, duke of Prussia (and cousin of Sigismund Augustus) converted to Catholicism and won first or second free election, as result he became elected king of PLC (with Jagiellonian blood in his veins) and hereditary ruler of Ducal Prussia in one person.

Interesting so these are all possibilities. I wonder would the Jagiellons surviving cause less trouble, than the Vasas would, as wouldn't the Vasas want something to do with Sweden.
 
Ah yes, I forgot to mention that the new king would need approval by the nobility.

To the OP, would it be sufficient to have it not be an automatic hereditary succession? Also, yes, the Vasas would want to still fight for their claims to the Swedish throne.
 
Ah yes, I forgot to mention that the new king would need approval by the nobility.

To the OP, would it be sufficient to have it not be an automatic hereditary succession? Also, yes, the Vasas would want to still fight for their claims to the Swedish throne.

Alright interesting, so something like what happened previously, where there was a designated heir who would be approved beforehand, and so on, that could work.
 
in regards to Jagiellons ... a comparison could be made to the scandinavian kingdoms which was de-jure elective monarchies, but de-facto hereditary (although not always strictly primogeniture), for most of the time
 
in regards to Jagiellons ... a comparison could be made to the scandinavian kingdoms which was de-jure elective monarchies, but de-facto hereditary (although not always strictly primogeniture), for most of the time

Alright interesting, so would it be a case of keeping them around, having Sigismund have a son, that sort of thing?

As for, later on during the Charles II of England era, how could we see a almost hereditary Sobieski type monarchy?
 
As for, later on during the Charles II of England era, how could we see a almost hereditary Sobieski type monarchy?
First-kill Jakub Sobieski, king John's older, stupid son, younger Aleksander was much smarter.
Second-keep John Sobieski alive longer, say-until start of Great Northern War. IOTL tsar Peter threatened Poland with war if young Sobieski would be elected after his father's death. ITTL Russians would be busy with Swedes, so Peter has nothing to say about Polish election. If Aleksander is elected as king Alexander II Poland could join Swedish side when Carl XII is winning and regain eastern territories lost to Russia in 1667. Popularity of Sobieski family would increase, thus chances of election of potential Aleksander's son. With 3 generations of rulers on the throne House of Sobieski would became de facto ruling dynasty.
 
If you were to have to have Jakub Sobieski removed from the equation, a potential POD could be having him fall during the battle at Vienna in 1683. He was 16 at the time, was with his father during the battle, and Aleksander had already been born roughly six years prior.
 
Any way for the Wettins to sell off most of the country and attach a chunk of it to Saxony? They would need northern Silesia to connect them of course, so that would be an issue as the Austrians refused to even consider the idea in exchange for the Saxons helping them regain the rest of it.
 
Alright, so from what I understand, having Jakub Sobieski die during the battle of Vienna would be the first step. The second step would be having John surviving until around the great northern war, at which point he can either die, or he could perhaps help contribute to a view Polish victories against Russia. Contributing to his son Aleksander being chosen as the new King,. if he makes territorial gains, all good, and Poland could see a de facto ruling dynasty established. Alright, awesome.
 
in regards to Jagiellons ... a comparison could be made to the scandinavian kingdoms which was de-jure elective monarchies, but de-facto hereditary (although not always strictly primogeniture), for most of the time

As was the situation in Bohemia and Hungary initially. In Bohemia they were turned into an Hereditary Monarchy for the Habsburgs, after the Habsburgs managed to crush the Bohemian Revolt. Hungary OTOH agreed to become an Hereditary Monarchy, in exchange for a number of concessions, after the Austrian Habsburgs finally had managed to reconquer the large part (barring some bits), which had been seized by the Ottomans, after the first battle of Mohács (1526). The second battle of Mohács (1687) was an Habsburg victory.
In Bohemia that was a clear Habsburg win at the time, whereas in Hungary there were a number of concessions involved and it was also good for at least a part of the Hungarian Estates.

They all (including the Scandinavian) had in common, that a Candidate from an established dynasty (and/or claim, which linked the candidate to recent rulers of the previous dynasty). If they stay around long enough, then Jagiellons and maybe even the Wasas could have achieved the same thing, provided they were patient and thus accepted they were building something for the future of the dynasty and not personal glory, which in a society were dynasties were common for the elite, wouldn't be an issue.
 
Well technically if Sigismund II were to die, the Heir would be Louis II of Bohemia and Hungary, also a Jagiellon. However Louis died at the Battle of Mohacs in an ill advised war against the Ottomans. If he survives, the Jagiellons would basically be dynastic overlords of much of central and eastern europe. . .
 
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