WI the posthumus child of Prince Juan of Asturias had lived in 1497?

At the age of 18 Prince Juan of Asturias son of Ferdinand of Aragon and Isabella of Castille married Archduchess Margaret of Austria in April, 1497. Six months later, on the way to the wedding of his older sister in Portugal, he died in Salamanca possibly from tuberculosis. His wife was left pregnant and later gave birth to a stillborn child. Juan's death, followed closely by those of his elder sister (Isabel, Queen-consort of Portugal) and her only child (Miguel) led to the inheritance of the Spanish kingdoms by the Habsburgs, descendants of his younger sister Juana, who had married the Archduchess Margaret's brother Philip the Handsome.
WI Juan's posthumus child had lived? How is this altering History? Any thoughts?
 
Juan's child was a girl. If Miguel da Paz still dies, then she (let's call her Margaret, in honour to her mother) would be probably betrothed to next heir of Portugal, as at that time the kingdoms were still trying to build the Iberian Union. If not, then someone related to the Habsburgs or England, in order to make an anti-Frence alliance.
 
Juan's child was a girl. If Miguel da Paz still dies, then she (let's call her Margaret, in honour to her mother) would be probably betrothed to next heir of Portugal, as at that time the kingdoms were still trying to build the Iberian Union. If not, then someone related to the Habsburgs or England, in order to make an anti-Frence alliance.

I doubt that Spanish Nobility would have accepted a Portuguese iure iuxoris King of Spain...
 
I doubt that Spanish Nobility would have accepted a Portuguese iure iuxoris King of Spain...

For Ferdinand and Isabella it would be better than a foreigner German or French. At that time they were still wanting the Iberian Union, and Portugal was seen as "Spanish" as Castille and Aragon. It would give them a safe western border, and all the comercial empire that the Portuguese were building in Africa and Asia. When Miguel da Paz was born there were even talks about moving the capital to Lisbon after he had became king.
 
Does this WI puts England (in the person of Catherine's of Aragon issue) in the succession game? It would be funny if it does...
 
Does this WI puts England (in the person of Catherine's of Aragon issue) in the succession game? It would be funny if it does...

No, it doesn't. The order of succession would be Margaret (Juan's daughter), Joanna the Mad and her Habsburg children, then Maria of Aragon (who IOTL married Manuel I of Portugal) and the last would be Catherine.
 
No, it doesn't. The order of succession would be Margaret (Juan's daughter), Joanna the Mad and her Habsburg children, then Maria of Aragon (who IOTL married Manuel I of Portugal) and the last would be Catherine.

How is History altered if Juan's stillborn daughter is born a healthy boy?
 
The Hapsburgs unify Germany in the 16th Century and the *Spanish Empire conquers India and the East.

India? For that to happen you would a union of Portugal and Spain, and it woudn't happen if both heirs are male. You would need Juan's child be a daughter, or Manuel of Portugal doesn't having a male heir and his eldest daughter should be married to the king of Spain. Of course, nothing so difficult though.
 
India? For that to happen you would a union of Portugal and Spain, and it woudn't happen if both heirs are male. You would need Juan's child be a daughter, or Manuel of Portugal doesn't having a male heir and his eldest daughter should be married to the king of Spain. Of course, nothing so difficult though.

Gay marriages are legalised in 16th century Spain???:D:D:D:D:D:D
Just kidding...
If we marry Juan's son (lets call him Juan too to honour his deceased father) to HRE or France thus allying Spain with them maybe he would press Portugal to cede India to Spain...
 
If we marry Juan's son (lets call him Juan too to honour his deceased father) to HRE or France thus allying Spain with them maybe he would press Portugal to cede India to Spain...

Not very likely. Tordesillas was already signed by that time. Also, Spain and Portugal were not enemies, but rather "competitors". The peace was always secured through marriages. All the Portuguese kings and eldest heirs of the kingdom from Manuel I to king Sebastian's father were married to Spanish princess, and both Charles V and Philip II also married the daughter of the Portuguese kings. Spain would be more interested in fight the Muslims in the Mediterranean and the French in Italy, and Portugal would probably be an allied, since they also were having problems with the Ottomans in the Indian Ocean and with the French in South America.
 
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