WI: House of York Rules England, Portugal, and Burgundy?

Combining the "Edward IV doesn't marry Elizabeth Woodville" and "George marries Mary of Burgundy" ideas, let's setup the following scenario: Warwick dies in 1464, with Edward IV marries Joanna of Portugal. George of Clarence marries Mary of Burgundy in 1466, with Charles the Bold having no male children. Prince Afonso still dies, with his cousin Manuel dying as well, with Joanna succeeding her brother. With members of the House of York ruling England, Portugal, and Burgundy, how does change the following decades?
 
Edward IV (28 April 1442 – 9 April 1483) m. 1464, Joan of Portugal (6/2/1452–12/5/1490)
Edward V and II (11 February 1466-???)
Elizabeth of York (11 August 1467 – 23 May 1482)
Joan of York (20 March 1469 – 24 August 1507)
Richard of Shrewsbury, 1st Duke of York (4 November 1470 – ???)
Margaret of York (10 April 1472 – 11 December 1472)
George Plantagenet, 1st Duke of Bedford (17 August 1473 – ???)
Anne of York (2 November 1475 – 23 November 1511)
John Plantagenet, 1st Duke of of Cambridge (March 1477 – ???)
Catherine of York (14 August 1479 – 15 November 1527)
Bridget of York (10 November 1480 – 1517)​

George Plantagenet, Duke of Clarence (21/10/1449–18/2/1478) m. 1466, Mary (13/2/1457–27/3/1482)
Anne of Clarence (16–17/4/1470)
Margaret (14/8/1473–27/5/1541)
Edward I of Burgundy, 17th Earl of Warwick (25/2/1475–28/11/1499)
Richard of Clarence (5 October 1476 – 1 January 1477)
George the Handsome and Posthumous (22/7/1478–25/9/1506)​

In Portugal you will see the Succession War between Joan's son, , and Joan's cousin Manuel I of Portugal (31 May 1469 – 13 December 1521) who claimed the throne through his mother, who was the granddaughter of King John I of Portugal, whereas his father was the second surviving son of King Edward of Portugal and the younger brother of King Afonso V of Portugal.
 
Burgundy is doable for as long as England is willing to send armies to the continent to fight alongside the dynasty founded by Clarence and Mary the Rich. Ideally, Clarence dies shortly after siring a couple sons and daughters, but Mary survives her fall during the hunt, and rules as regent until a son comes of age, with Edward IV and later on Richard III sending armies to defend Burgundy from French pressure.

The marriage would have to happen in 1476, not 1466, as Mary would have been only 8-9 years old at the time.
 
Burgundy is doable for as long as England is willing to send armies to the continent to fight alongside the dynasty founded by Clarence and Mary the Rich. Ideally, Clarence dies shortly after siring a couple sons and daughters, but Mary survives her fall during the hunt, and rules as regent until a son comes of age, with Edward IV and later on Richard III sending armies to defend Burgundy from French pressure.

The marriage would have to happen in 1476, not 1466, as Mary would have been only 8-9 years old at the time.
Or 1474
 
Would there be any suggestion that England and Portugal should be split between different sons of Edward IV?
 
Would there be any suggestion that England and Portugal should be split between different sons of Edward IV?
It would seem likely, at least to me.

On the subject of a Portuguese Succession War, in my OP I mentioned Manuel dying shortly after Afonso, either accidentally or "accidentally." Manuel would probably have a good chance of gaining the support of the nobles: the other choice is the twenty-something year-old English king who has probably never seen in Portugal in his life.
 
I love this! Here is my suggestion: Edward's marriage goes ahead as per OP, but George marries Isabel Neville in 1470, but she dies in childbirth with Edward of Warwick, leaving George a widower with two young children in 1475, ready to marry Mary of Burgundy in 1476. This means that any son of George and Mary's wouldn't have to worry about English estates as well as Burgundian ones, and makes Margaret of Clarence half-sister to a Duke of Burgundy, making it far more likely that she gets a good marriage OTL.

I would also expect either George or Edward to name one of their daughters Cecily after their mother the Duchess of York, not least George, who is reputed to have been Cecily's favourite.
 
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I love this! Here is my suggestion: Edward's marriage goes ahead as per OP, but George marries Isabel Neville in 1470, but she dies in childbirth with Edward of Warwick, leaving George a widower with two young children in 1475, ready to marry Mary of Burgundy in 1474/1476. This means that any son of George and Mary's wouldn't have to worry about English estates as well as Burgundian ones, and makes Margaret of Clarence half-sister to a Duke of Burgundy, making it far more likely that she gets a good marriage OTL.

I would also expect either George or Edward to name one of their daughters Cecily after their mother the Duchess of York, not least George, who is reputed to have been Cecily's favourite.
Thanks, for the suggestion on George and Mary.

Depending on what happens to Manuel, and whether or not he marries Isabella (the younger), the Catholic Monarchs may end up in a war with England over Portugal, supporting Manuel. It seems France is a logical ally for them in this case - Navarre notwithstanding, though the Catholic Monarchs know what the bigger prize is here.
 
It could be interesting to see what an Anglo-Portuguese New World empire would look like. One does have to take butterflies into account, so I'm not sure if Portugal will still claim Brazil.
 
They may not take Brazil, but I could see a far earlier and far more successful colonisation of North America and Southern Africa if the English have access to the Portuguese ships and money and vice versa.
 
@isabella, do you have any ideas who Isabella of Castile would marry if both Afonso and Manuel are dead?

I'm guessing the Braganzas would try for the throne, and Spain might support them.
 
@isabella, do you have any ideas who Isabella of Castile would marry if both Afonso and Manuel are dead?

I'm guessing the Braganzas would try for the throne, and Spain might support them.
Isabella then would be free from remarrying as the next in line would be first Queen Leonor of Viseu, then her sister Isabella of Viseu (and Isabella’s eldest son is nine years younger than her)
 
If Juana la Beltraneja wins, and neither Afonso V nor John II have surviving issue, the House of York could end up ruling England and a united Hispania. Edward V may as well crown himself Western Roman Emperor at this rate.
 
Hum... interesting. An Anglo-Portuguese personal union is actually a quite interesting concept that isn't talked about a lot.

You guys seem to be jumping straight into the new world, but at this time Portugal's main focus was in India. We need to figure out how the personal union would play into that.
 
Hum... interesting. An Anglo-Portuguese personal union is actually a quite interesting concept that isn't talked about a lot.

You guys seem to be jumping straight into the new world, but at this time Portugal's main focus was in India. We need to figure out how the personal union would play into that.
Portugal was a world leader in sea navigation, and I'd guess they'd share their knowledge with English sailors as well, allowing them to also make voyages to Asia as well. I'm guessing the English and Portuguese will set up separate factories in India, but I'm not quite sure how clear the line between "English India" and "Portuguese India" will be.
 
Portugal was a world leader in sea navigation, and I'd guess they'd share their knowledge with English sailors as well, allowing them to also make voyages to Asia as well. I'm guessing the English and Portuguese will set up separate factories in India, but I'm not quite sure how clear the line between "English India" and "Portuguese India" will be.

Hum... I don't really see things happening that way. If the English set up separate factories, they would be seen as competition, and the Portuguese do not deal well with competition. I guess it can go one of three ways:
  1. The English recognize absolute Portuguese supremacy in matters of Indian trade. English traders are still banned from trading with England under the Portuguese Mare Clausum policy.
  2. The English try to establish separate factories in India despite protests by the Portuguese, leading to an immediate rebellion and the termination of the personal union.
  3. With the blessing of the crown, English noblemen and traders successfully integrate into the Portuguese colonial entreprise. Aspiring English sailors start attending Portuguese naval academies and crewing Portuguese ships. English soldiers are sent to the East to help with the conquest of India, Arabian and Southeast Asian port cities. These port cities later become open to both Portuguese and English traders, with people from both countries serving as colonial administrators.
Honestly, I think option 3 is rather likely, seeing as England would not have the capacity to go to India on her own during the early years of the union, and the Portuguese may be interested in using England's manpower and military capacity to grab as many ports as they can. If all goes well, an integrated anglo-portuguese empire may emerge. Otherwise, the personal union is most surely doomed from the start.
 
If there's a war over Portugal that involves Spain courting France, it's worth mentioning that Henry VI and Edward of Westminster are probably still kicking.

As the POD is in 1464, a lot is up in the air: the War of the Castilian Succession, Louis XI's succession, Afonso VI's death.
 
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