Isabella Trastámara, Queen of Castile I

Trastámara Side

• Trastámara, John II of Castile King of Castile and León 1405 - 1454  (49 years)

• Henry III of Castile King of Castile and León 1379 - 1406  (27 years)
• of Lancaster, Catherine 1373 - 1418  (45 years)

• Plantagenet, John "of Gaunt" Duke of Lancaster 1340 - 1399  (58 years)
• of Castile, Constance 1354 - 1394  (40 years)

Aviz Side

• Aviz, Isabella 1428 - 1496  (68 years)

• Aviz, John II 1400 - 1442  (42 years)
• Braganza, Isabel of Barcelos 1402 - 1466  (64 years)

• Aviz, King of Portugal John (João) 1358 - 1433  (75 years)
• Plantagenet, Philippa "of Lancaster" 1360 - 1415  (55 years)