Frederick of Castile, in Spanish Fadrique (1223–1277), was a younger son (''

infante ''Infante'' (, ; f. ''infanta''), also anglicised as Infant or translated as Prince, is the title and rank given in the Iberian kingdoms of Spain (including the predecessor kingdoms of Aragon, Castile, Navarre, and León) and Portugal to t ...

'') of King

Ferdinand III of Castile Ferdinand III ( es, Fernando, link=no; 1199/120130 May 1252), called the Saint (''el Santo''), was King of Castile from 1217 and King of León from 1230 as well as King of Galicia from 1231. He was the son of Alfonso IX of León and Berenguela of ...

by his first wife,

Elisabeth of Hohenstaufen Elisabeth of Swabia (renamed Beatrice; March/May 1205 – 5 November 1235), was a member of the House of Hohenstaufen who became Queen of Castile and Leon by marriage to Ferdinand III. Born in Nürnberg, Elisabeth was the fourth daughter of Phili ...

. He was born in

Guadalajara Guadalajara ( , ) is a metropolis in western Mexico and the capital of the list of states of Mexico, state of Jalisco. According to the 2020 census, the city has a population of 1,385,629 people, making it the 7th largest city by population in Me ...

. After the conquest of Seville, unhappy under the rule of his brother

Alfonso Alphons (Latinized ''Alphonsus'', ''Adelphonsus'', or ''Adefonsus'') is a male given name recorded from the 8th century (Alfonso I of Asturias, r. 739–757) in the Christian successor states of the Visigothic kingdom in the Iberian peninsula. ...

, Frederick may have participated in the rebellion of his brother

Henry Henry may refer to: People *Henry (given name) * Henry (surname) * Henry Lau, Canadian singer and musician who performs under the mononym Henry Royalty * Portuguese royalty ** King-Cardinal Henry, King of Portugal ** Henry, Count of Portugal, ...

in 1255; in any case, he was exiled from Castile in 1260 and joined Henry as a knight errant in

Tunis ''Tounsi'' french: Tunisois , population_note = , population_urban = , population_metro = 2658816 , population_density_km2 = , timezone1 = CET , utc_offset1 ...

serving under Sultan Al Mustansir against his enemies. Later, he joined the service of King

Manfred of Sicily Manfred ( scn, Manfredi di Sicilia; 123226 February 1266) was the last King of Sicily from the Hohenstaufen dynasty, reigning from 1258 until his death. The natural son of the Holy Roman Emperor Frederick II, Manfred became regent over th ...

, and fought at the

Battle of Benevento The Battle of Benevento was a major medieval battle fought on 26 February 1266, near Benevento in present-day Southern Italy, between the forces of Charles I of Anjou and those of King Manfred of Sicily. Manfred's defeat and death resulted in Ch ...

(1266). He escaped the defeat there and returned to Tunis. An anti-Angevin revolt in

Sicily (man) it, Siciliana (woman) , population_note = , population_blank1_title = , population_blank1 = , demographics_type1 = Ethnicity , demographics1_footnotes = , demographi ...

in 1267 provided an opportunity for him to cross over again, and he helped raise the island for

Conradin Conrad III (25 March 1252 – 29 October 1268), called ''the Younger'' or ''the Boy'', but usually known by the diminutive Conradin (german: link=no, Konradin, it, Corradino), was the last direct heir of the House of Hohenstaufen. He was Duke ...

, while Henry (now Senator of Rome) also declared for Conradin in Rome. He fought on in Sicily with Frederick Lancia after the defeat of Conradin in the battle of Tagliacozzo and the imprisonment of Henry in Canosa di Puglia, but they were forced to surrender at

Agrigento Agrigento (; scn, Girgenti or ; grc, Ἀκράγας, translit=Akrágas; la, Agrigentum or ; ar, كركنت, Kirkant, or ''Jirjant'') is a city on the southern coast of Sicily, Italy and capital of the province of Agrigento. It was one of ...

in 1269. However, they were allowed to escape to Tunis again rather than being imprisoned. There they served the Tunisians against the soldiers of the

Eighth Crusade The Eighth Crusade was the second Crusade launched by Louis IX of France, this one against the Hafsid dynasty in Tunisia in 1270. It is also known as the Crusade of Louis IX against Tunis or the Second Crusade of Louis. The Crusade did not see ...

(1270). In 1272, Frederick was reconciled with Alfonso, returned to Castile, and became one of his advisors. In 1274 he married Catherine Angelina. He involved himself in a plot regarding the succession and was secretly executed by Alfonso in 1277.

References

External links

The Worlds of Alfonso the Learned and James the Conqueror
{{DEFAULTSORT:Castile, Fadrique, Infante of Fadrique of Castile Fadrique of Castile Fadrique of Castile Fadrique of Castile Fadrique of Castile Fadrique of Castile Medieval mercenaries Sons of kings