| Name | Spouse | Birth | Death | Birthplace | Deathplace |
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| Juan Manuel, Duke of Peñafiel | Blanche Núñez de Lara | 5 MAY 1282 | 13 JUN 1348 | Spain, La Mancha, Escalona | |
| 1 | Juana Manuel | Henry II of Castile | 1339 | 27 MAR 1381 | Spain, La Mancha, Toledo | Spain, Castille, Leon, Salamanca |
| A | Joan of Castile, Lady of Cifuentes | Dinis of Portugal | 1354/1364 | | Spain, Aragon, Zaragoza | |
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| B | John I of Castile | Eleanor Of Aragon | 24 AUG 1358 | 9 OCT 1390 | Spain, Epila | Spain, Madrid |
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| B | John I of Castile | Beatrice of Portugal | 24 AUG 1358 | 9 OCT 1390 | Spain, Epila | Spain, Madrid |
| C | Eleanor, Queen of Navarre | Charles III of Navarre | aft 1363 | 27 FEB 1416 | Spain, Aragon, Zaragoza | |
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| Juan Manuel, Duke of Peñafiel | Constance of Aragon | 5 MAY 1282 | 13 JUN 1348 | Spain, La Mancha, Escalona | |
| 1 | Constance of Peñafiel | Peter I of Portugal | abt 1323 | 11 /13/1345 | Spain, Castille | |
| A | Infanta Maria of Portugal | Fernando of Aragon | 1342 | 1356 | Portugal, Alentejo, Evora | |
| B | Ferdinand I of Portugal | Eleanor Telles de Menezes | 31 OCT 1345 | 22 OCT 1383 | Portugal, Lisboa | |
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