| Aragonese royalty |
| House of Barcelona |
|---|
 |
| Alfonso II |
|
Children include Peter (King of Aragon; Count of Barcelona) Constance (Holy Roman Empress; Queen consort of Hungary, Germany and Sicily) Alfonso (Count of Provence) Eleanor (Countess consort of Toulouse) Sancha (Countess consort of Toulouse) |
| Peter II |
|
Children include James (King of Aragon, Valencia and Majorca; Count of Barcelona) |
| James I |
|
Children include Violant (Queen consort of Castile and Leon) Constance (Lady consort of Villena) Peter (King of Aragon, Valencia and Sicily; Count of Barcelona) James (King of Majorca) Isabella (Queen consort of France) Sancho (Archbishop of Toledo) |
| Peter III |
|
Children include Alfonso (King of Aragon and Valencia) James (King of Sicily, Aragon, Valencia, Sardinia and Corsica; Count of Barcelona) Elizabeth (Queen consort of Portugal) Frederick (King of Sicily) |
| Alfonso III |
| James II |
|
Children include James (monk) Alfonso (King of Aragon, Valencia, Sardinia and Corsica; Count of Barcelona) Maria (Lady of Cameros) John (Archbishop of Toledo and Tarragona; Latin Patriarch of Alexandria) Isabella (Queen consort of Germany) |
| Alfonso IV |
|
Children include Constance (Queen consort of Majorca) Peter (King of Aragon, Valencia and Majorca; Count of Barcelona) James (Count of Urgell) |
| Peter IV |
|
Children include Constance (Queen consort of Sicily) Joanna (Countess consort of Ampurias) John (King of Aragon, Valencia and Majorca; Count of Barcelona; Duke of Athens and Neopatria) Martin (King of Aragon, Valencia, Majorca, Sicily, Sardinia and Corsica; Count of Barcelona; Duke of Montblanc) Eleanor (Queen consort of Castile and Leon) Isabella (Countess consort of Urgell) |
| John I |
|
Children include Joanna (Countess consort of Foix) Yolande (Queen consort of Naples; Duchess consort of Anjou; Countess consort of Provence, Maine and Piedmont) |
| Martin |
|
Children include Martin (King of Sicily; Count of Luna; Lord of Segorbe) |
