Isabella 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 48. Hereinafter cited as Lines of Succession.
Eleanor Guzman1 
Children of Eleanor Guzman and Alfonso XI, Rey de Castilla y León
- Juan de Castilla1 d. 1358
- Tello de Castilla, Conde de Biscay1 d. 1353
- Frederick de Castilla1 b. 1334, d. 1358
- Enrique II, Rey de Castilla y León+1 b. 1334, d. 1379
- Sancho de Castilla, Conde de Albuquerque y de Haro+1 b. 1339, d. 19 May 1373
- [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 48. Hereinafter cited as Lines of Succession.
Pedro Nunes Guzman1
Child of Pedro Nunes Guzman
- Eleanor Guzman+1 d. 1351
- [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 48. Hereinafter cited as Lines of Succession.
Tello de Castilla, Conde de Biscay1 
He gained the title of Conde de Biscay.1
- [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 48. Hereinafter cited as Lines of Succession.
Joanna 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 48. Hereinafter cited as Lines of Succession.
Frederick de Castilla1

He held the office of Grand Master of the Order of Saint Iago.
- [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 48. Hereinafter cited as Lines of Succession.
Eleanor de Angulo1
- [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 48. Hereinafter cited as Lines of Succession.
Enrique II, Rey de Castilla y León1 
Enrique II, Rey de Castilla y León was born illegitimately in 1334.3 He was the son of Alfonso XI, Rey de Castilla y León and Eleanor Guzman.3 He married Joanna de Peñafiel, daughter of Juan Manuel de Peñafiel, Duque de Villena and Blanca de la Cerda, in 1350.3 He died in 1379.3
He gained the title of Conde de Trastámara.4 Enrique II, Rey de Castilla y León also went by the nick-name of Henrique ‘the Bastard’.4 He succeeded as the Rey Enrique II de Castilla in 1369.3 He succeeded as the Rey Enrique II de León in 1369.1
Children of Enrique II, Rey de Castilla y León and Joanna de Peñafiel
- Eleanor de Castilla+1 b. 1352, d. 1416
- Juan I, Rey de Castilla y León+4 b. 24 Aug 1358, d. 9 Oct 1390
- [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 44. 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 48.
- [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.
Joanna de Peñafiel1 
Children of Joanna de Peñafiel and Enrique II, Rey de Castilla y León
- Eleanor de Castilla+1 b. 1352, d. 1416
- Juan I, Rey de Castilla y León+1 b. 24 Aug 1358, d. 9 Oct 1390
- [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 48. Hereinafter cited as Lines of Succession.
Arnold Thompson1
Child of Arnold Thompson
- [S130] Wikipedia, online http;//www.wikipedia.org. Hereinafter cited as Wikipedia.
