Sancho de Castilla, Conde de Albuquerque y de Haro1 
Male, Registry Number #113461, b. 1339, d. 19 May 1373
Last Edited=10 May 2003
Sancho de Castilla, Conde de Albuquerque y de Haro was born in 1339.1 He was the son of Alfonso XI, Rey de Castilla y León and Eleanor Guzman.1 He married Beatriz de Portugal, daughter of Pedro I de Bourgogne, Rei de Portugal and Inez de Castro, in 1373.1 He died on 19 May 1373.
He gained the title of Conde de Albuquerque.1 He gained the title of Conde de Haro.
He gained the title of Conde de Albuquerque.1 He gained the title of Conde de Haro.
Child of Sancho de Castilla, Conde de Albuquerque y de Haro and Beatriz de Portugal
- Eleanor de Albuquerque+1 b. 1374, d. 12 Jan 1435
- [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.
Beatriz de Portugal1
Female, Registry Number #113462, b. after 1347, d. 1374
Last Edited=10 May 2003
Consanguinity Index=4.01%
Beatriz de Portugal was born after 1347. She was the daughter of Pedro I de Bourgogne, Rei de Portugal and Inez de Castro.1 She married Sancho de Castilla, Conde de Albuquerque y de Haro, son of Alfonso XI, Rey de Castilla y León and Eleanor Guzman, in 1373.1 She died in 1374.1 She was also reported to have died in 1381 at Ledesma, SpainG.
Child of Beatriz de Portugal and Sancho de Castilla, Conde de Albuquerque y de Haro
- Eleanor de Albuquerque+1 b. 1374, d. 12 Jan 1435
- [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 Albuquerque1
Female, Registry Number #113463, b. 1374, d. 12 January 1435
Last Edited=28 Jun 2003
Consanguinity Index=4.92%
Eleanor de Albuquerque was born in 1374.1 She was the daughter of Sancho de Castilla, Conde de Albuquerque y de Haro and Beatriz de Portugal.1 She married Fernando I de Antequera, Rey de Aragón, son of Juan I, Rey de Castilla y León and Eleanor de Aragón, in 1393.1 She died on 12 January 1435.
Children of Eleanor de Albuquerque and Fernando I de Antequera, Rey de Aragón
- Eleanor de Aragón+1 d. 1445
- Maria de Aragón+1 d. 1445
- Enrique de Aragón, Duque de Villena1 d. 1445
- Sancho de Aragón, Grand Master of Alcantara1 d. 1416
- Pedro de Aragón1 d. 1438
- Alfonso V, Rey de Aragón+1 b. 1394, d. 1458
- Juan II, Rey de Aragón y Navarre+1 b. 29 Jun 1398, d. 19 Jan 1479
- [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 Henriques, Conde de Melgar
Male, Registry Number #113464, b. 1390, d. 23 December 1473
Last Edited=15 Apr 2012
Frederick Henriques, Conde de Melgar was born in 1390.1 He was the son of Admiral Alonzo Henriques and Juana González. He died on 23 December 1473.1
He gained the rank of Admiral in the Castile.2 He gained the title of Conde de Melgar.
He gained the rank of Admiral in the Castile.2 He gained the title of Conde de Melgar.
Child of Frederick Henriques, Conde de Melgar and Merina de Cordova
- Juana Henriques+2 b. 1425, d. 13 Feb 1468
Sancho de Aragón, Grand Master of Alcantara1
Male, Registry Number #113465, d. 1416
Last Edited=19 Jan 2009
Consanguinity Index=5.36%
Sancho de Aragón, Grand Master of Alcantara was the son of Fernando I de Antequera, Rey de Aragón and Eleanor de Albuquerque.1 He died in 1416.1
He gained the title of Grand Master of Alcantara.1
He gained the title of Grand Master of Alcantara.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.
Pedro de Aragón1 
Male, Registry Number #113466, d. 1438
Last Edited=19 Jan 2009
Consanguinity Index=5.36%
Pedro de Aragón was the son of Fernando I de Antequera, Rey de Aragón and Eleanor de Albuquerque.1 He died in 1438, killed in action.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.
Alfonso de Castilla1
Male, Registry Number #113467, b. 1453, d. 1468
Last Edited=10 May 2003
Consanguinity Index=2.88%
Alfonso de Castilla was born in 1453.1 He was the son of Juan II, Rey de Castilla y León and Isabel de Aviz.1 He died in 1468.1
- [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.
Carlos de Aragón, Principe de Viana1
Male, Registry Number #113468, b. 1421, d. 1461
Last Edited=10 May 2003
Consanguinity Index=6.57%
Carlos de Aragón, Principe de Viana was born in 1421.1 He was the son of Juan II, Rey de Aragón y Navarre and Blanche II, Reina de Navarre.1 He married Agnes von der Mark-Kleve, daughter of Adolf I Graf von der Mark Herzog von Kleve und Graf van Ravensberg and Marie de Valois-Bourgogne, in 1440.1 He died in 1461.1
He gained the title of Principe Carlos de Viana.
He gained the title of Principe Carlos de Viana.
- [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.
Beatrix de Benevente1
Female, Registry Number #113469
Last Edited=13 Jan 2003
Beatrix de Benevente married Enrique de Aragón, Duque de Villena, son of Fernando I de Antequera, Rey de Aragón and Eleanor de Albuquerque, in 1444.1
- [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.
Agnes von der Mark-Kleve1
Female, Registry Number #113470, b. 24 March 1422, d. 6 April 1448
Last Edited=11 Mar 2013
Consanguinity Index=0.82%
Agnes von der Mark-Kleve was born on 24 March 1422.1,2 She was the daughter of Adolf I Graf von der Mark Herzog von Kleve und Graf van Ravensberg and Marie de Valois-Bourgogne.1 She married Carlos de Aragón, Principe de Viana, son of Juan II, Rey de Aragón y Navarre and Blanche II, Reina de Navarre, in 1440.1 She died on 6 April 1448 at age 26.1,2
- [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.
- [S3268] Hans Harmsen, “re: Chester Family,” e-mail message to BENR, 21 August 2008. Hereinafter cited as “re: Chester Family.”
