Editing John I of Castile (section)

== Family ==
His first marriage, to [[Eleanor of Aragon, Queen of Castile|Eleanor of Aragon]] on 18 June 1375,<ref name="Stearns2001">{{cite book |url=https://books.google.com/books?id=oREvuAAACAAJ |title=The Encyclopedia of World History: Ancient, Medieval, and Modern, Chronologically Arranged |publisher=Houghton Mifflin Harcourt Publishing Company |others=William L. Langer |year=2001 |isbn=978-0-395-65237-4 |editor=Peter N. Stearns |page=249 |access-date=26 June 2013}}</ref> produced his only known issue :
# [[Henry III of Castile|Henry]] (4 October 1379 – 25 December 1406), succeeded his father as [[King of Castile]].<ref name="Previte-Orton1912">C.W. Previte-Orton, ''The Shorter Cambridge Medieval History'', Volume 2, (Cambridge at the University Press, 1912), 902.</ref>
# [[Ferdinand I of Aragon|Ferdinand]] (27 November 1380 – 2 April 1416), became [[King of Aragon]] in 1412.<ref name="Previte-Orton1912" />
# Eleanor (b. 13 August 1382), died young.<ref name="RosellAyala1877">{{cite book |author1=Cayetano Rosell |url=https://archive.org/details/crnicasdelosrey01ayalgoog |title=Crónicas de los reyes de Castilla |author2=Pedro López de Ayala |author3=Fernán Pérez de Guzmán |author4=Diego de Valera |author5=Diego Enríquez del Castillo |author6=Fernando del Pulgar |author7=Lorenzo Galíndez de Carvajal |author8=Andrés Bernáldez |publisher=M. Rivadeneyra |year=1877 |page=[https://archive.org/details/crnicasdelosrey01ayalgoog/page/n265 216] |quote=Dicho avemos como luego que el Rey regnó, los que estaban con él en la villa de Madrid, por algunas cosas que eran complideras a servicio del Rey, trataron casamiento del Infante Don Ferrando su hermano fijo del Rey Don Juan, (ca el Rey Don Juan non ovo otros fijos legítimos, nin en otra manera en ningund tiempo, salvo una Infanta de que murió la Reyna Doña Leonor su mujer después de parida, segundo suso contamos)..." – [[Pero López de Ayala]]<br />Translation: "We have said as soon as the King reigned, those who were with him in the city of Madrid, for some things that were necessary to the service of the King, treated marriage of the Infante Don Fernando his brother son of King John (for King John had no other legitimate sons, none in another way at any time, except one infanta which died after Queen Leonor his wife had given birth, the second above we counted)... |access-date=26 June 2013}}</ref>