Edward IV of England (1442-1483) married Elizabeth Woodville (1437-1473) (a) in 1464 Mary, Duchess of Burgundy (1457-1490) in 1474
1a) Elizabeth (1466-?) married Maximilian I of Austria, Holy Roman Emperor (1459-?) in 1480
2a) Mary (1467-?) married John, King of Denmark, Sweden and Norway (1455-?) in 1483
3a) Cecily (1469-?) married Charles VIII, King of France (1470-?) in 1484
4a) Edward V, King of England (1470-?) married Joanna of Castile and Aragon (1479-?)
5a) Katherine (1472-?) married James IV, King of Scotland (1473-?)
6a) Richard, Duke of York (1473-?) married Margaret, Countess of Warwick and Salisbury* (1473-?)
7b) Charles, King of Lotharingia, Duke of Burgundy (1475-?) married Isabella, Duchess of Lorraine** (1473-?)
8b) Philip, Duke of Brittany, Earl of March (1477-?) married Anne, Duchess of Brittany (1477-?)
9b) Margaret (1480-?) married John III, King of Spain (1478-?)
*ATL Edward of Clarence died young so Margaret (with her inheritance) was engaged to Richard of York while Anne de Mowbray (and her own inheritance) was engaged and then married Edward of Middleham, Duke of Gloucester
**ATL daughter and only child of Nicholas of Anjou (1448-1473) and Anne of France (1461-?). Anne remarried to Peter of Bourbon in 1475
Between Edward, Mary, Margaret and Richard all the kids of Edward married really well.
Elizabeth of York married Maximilian as Burgundian proxy (with an huge dowry paid by Burgundy who was part of the price for getting a Royal Crown for her half-brother)