What is Ferdinand IV of Castile?
{{Infobox Royalty | name = Ferdinand IV | image = Fernando IV de Castilla (Ayuntamiento de León).jpg | caption = An artist's [[:en:wikt:depiction|depiction]] of Ferdinand | succession = [[List of Castilian monarchs|King of Castile]] and [[King of León#List of Leonese monarchs|León]] | reign = 25 April 1295 – 7 September 1312 | coronation = 16 June 1302 | predecessor = [[Sancho IV of Castile|Sancho IV]] | successor = [[Alfonso XI of Castile|Alfonso XI]] | regent = [[María De Molina]] (1295–1302) | reg-type = [[Regent]] | spouse = {{marriage|[[Constance of Portugal]]|1302}} | issue = {{plainlist| * [[Eleanor of Castile (1307–1359)|Eleanor, Queen of Aragon]] * [[Alfonso XI of Castile|Alfonso XI, King of Castile]] }} | issue-type = [[Issue (genealogy)|Issue]] | house = [[Castilian House of Ivrea|Ivrea]] | father = [[Sancho IV of Castile]] | mother = [[María de Molina]] | birth_date = {{Birth date|1285|6|16|df=yes}} | birth_place = [[Seville]] | death_date = {{Death date and age|1312|9|7|1285|6|16|df=yes}} | death_place = [[Jaén, Spain|Jaén]] | burial_date = 26 October 1312 | burial_place = [[Royal Collegiate Church of Saint Hippolytus]] | religion = [[Catholic Church|Roman Catholicism]] }} '''Ferdinand IV''' ({{lang-es|Fernando IV}}; 16 June 1285 – 7 September 1312) nicknamed '''the Summoned''' ({{lang-es|el Emplazado|link=no}}) or '''the Warrior''' ({{lang-es|el Guerrero|link=no}}) was the [[List of Castilian monarchs|King of Castile]] and [[King of León#List of Leonese monarchs|León]] from 1295 until his death in 1312. At the age of 10, Ferdinand succeeded his father, [[Sancho IV of Castile|King Sancho IV]] in 1295 with Ferdinand's mother, Queen [[María de Molina]], serving as his [[regent]] until Ferdinand's 17th birthday on 16 June 1302 where he was crowned and where he also married [[Constance of Portugal]]. Like his predecessors, Ferdinand was active in the [[Reconquista]] and was considered a great, brave and also a str