Theresa de Urgel, Condessa de Urgel1 
She gained the title of Condessa de Urgel.1
Children of Theresa de Urgel, Condessa de Urgel and Alfonso IV, Rey de Aragón
- Constanza de Aragón+1 d. 1346
- Jaime I de Aragón, Conde de Urgel1 d. 1347
- Pedro IV, Rey de Aragón+1 b. 5 Sep 1319, d. 1 Jan 1387
- [S16] Jirí Louda and Michael MacLagan, Lines of Succession: Heraldry of the Royal Families of Europe, 2nd edition (London, U.K.: Little, Brown and Company, 1999), table 46. Hereinafter cited as Lines of Succession.
Eleanor de Castilla1 
Children of Eleanor de Castilla and Alfonso IV, Rey de Aragón
- Juan de Aragón1 d. 1358
- Fernando de Aragón, Marques de Tortosa1 b. 1329, d. 1363
Fernando IV, Rey de Castilla y León1 
Fernando IV, Rey de Castilla y León was born in 1285.3 He was the son of Sancho IV, Rey de Castilla y León and Maria de Molina.3 He married Constanza de Portugal, daughter of Deniz de Bourgogne, Rei de Portugal and Isabel de Aragón, in 1302.3 He died in 1312.3
Fernando IV, Rey de Castilla y León also went by the nick-name of Fernando ‘the Summoned’.4 He succeeded as the Rey Fernando IV de León in 1296.4 He succeeded as the Rey Fernando IV de Castilla in 1296.3
Children of Fernando IV, Rey de Castilla y León and Constanza de Portugal
- Eleanor de Castilla+1 b. 1307, d. 1359
- Alfonso XI, Rey de Castilla y León+3 b. 1311, d. 1350
- [S16] Jirí Louda and Michael MacLagan, Lines of Succession: Heraldry of the Royal Families of Europe, 2nd edition (London, U.K.: Little, Brown and Company, 1999), table 46. Hereinafter cited as Lines of Succession.
- [S4893] Anonymous, “re: Castañeda Family between La Palma and Cuba,” family provided evidence then verified by subsequent research and verification by BENR (101053), 12 September 2010. Hereinafter cited as “re: Castañeda Family.”
- [S16] Louda and MacLagan, Lines of Succession, table 47.
- [S38] John Morby, Dynasties of the World: a chronological and genealogical handbook (Oxford, Oxfordshire, U.K.: Oxford University Press, 1989), page 112. Hereinafter cited as Dynasties of the World.
Juan de Aragón1 
- [S16] Jirí Louda and Michael MacLagan, Lines of Succession: Heraldry of the Royal Families of Europe, 2nd edition (London, U.K.: Little, Brown and Company, 1999), table 46. Hereinafter cited as Lines of Succession.
Isabel de Lara1 
- [S16] Jirí Louda and Michael MacLagan, Lines of Succession: Heraldry of the Royal Families of Europe, 2nd edition (London, U.K.: Little, Brown and Company, 1999), table 46. Hereinafter cited as Lines of Succession.
Eleonore de Portugal1 
- [S16] Jirí Louda and Michael MacLagan, Lines of Succession: Heraldry of the Royal Families of Europe, 2nd edition (London, U.K.: Little, Brown and Company, 1999), table 46. Hereinafter cited as Lines of Succession.
Afonso IV de Bourgogne, Rei de Portugal1 
He succeeded as the Rei Afonso IV de Portugal in 1325.1 Afonso IV de Bourgogne, Rei de Portugal also went by the nick-name of Afonso ‘the Bold’.4
Children of Afonso IV de Bourgogne, Rei de Portugal and Beatriz de Castilla
- Maria de Portugal+2 b. 1313, d. 1357
- Pedro I de Bourgogne, Rei de Portugal+1 b. 1320, d. 1367
- Eleonore de Portugal1 b. 1328, d. 1348
- [S16] Jirí Louda and Michael MacLagan, Lines of Succession: Heraldry of the Royal Families of Europe, 2nd edition (London, U.K.: Little, Brown and Company, 1999), table 46. Hereinafter cited as Lines of Succession.
- [S16] Louda and MacLagan, Lines of Succession, table 47.
- [S16] Louda and MacLagan, Lines of Succession, table 115.
- [S38] John Morby, Dynasties of the World: a chronological and genealogical handbook (Oxford, Oxfordshire, U.K.: Oxford University Press, 1989), page 120. Hereinafter cited as Dynasties of the World.
Pedro I de Bourgogne, Rei de Portugal1 
His marriage to Blanca de Castilla was annulled in 1330. He succeeded as the Rei Pedro I de Portugal in 1357.2 Pedro I de Bourgogne, Rei de Portugal also went by the nick-name of Pedro ‘the Cruel’.
Children of Pedro I de Bourgogne, Rei de Portugal and Constanza de Peñafiel
- Maria de Bourgogne, Princeza de Portugal1 b. 1342, d. 1356
- Fernando I de Bourgogne, Rei de Portugal+2 b. 1345, d. 1383
Children of Pedro I de Bourgogne, Rei de Portugal and Inez de Castro
- Beatriz de Portugal+3 b. a 1347, d. 1374
- João de Bourgogne, Duque de Valencia2 b. a 1354, d. 1384
Child of Pedro I de Bourgogne, Rei de Portugal and Theresa Lourenço Martins
- João I de Aviz, Rei de Portugal+4 b. 11 Apr 1357, d. 14 Aug 1433
- [S16] Jirí Louda and Michael MacLagan, Lines of Succession: Heraldry of the Royal Families of Europe, 2nd edition (London, U.K.: Little, Brown and Company, 1999), table 46. Hereinafter cited as Lines of Succession.
- [S16] Louda and MacLagan, Lines of Succession, table 115.
- [S16] Louda and MacLagan, Lines of Succession, table 48.
- [S16] Louda and MacLagan, Lines of Succession, table 116.
Sybil de Tortia1
Child of Sybil de Tortia and Pedro IV, Rey de Aragón
- Alfonso de Aragón, Duque de Gandia1 b. a 1379, d. 1412
- [S16] Jirí Louda and Michael MacLagan, Lines of Succession: Heraldry of the Royal Families of Europe, 2nd edition (London, U.K.: Little, Brown and Company, 1999), table 46. Hereinafter cited as Lines of Succession.
Yolante de Arenos1
- [S16] Jirí Louda and Michael MacLagan, Lines of Succession: Heraldry of the Royal Families of Europe, 2nd edition (London, U.K.: Little, Brown and Company, 1999), table 46. Hereinafter cited as Lines of Succession.
