{{House of Barcelona}}
'''Alfonso IV''', called '''the Kind''' (also ''the Gentle'' or ''the Nice'', [[Catalan language|Catalan]]: ''Alfons el Benigne'') ([[1299]] – [[24 January]] [[1336]]) was the [[King of Aragon]]<ref>He held the [[Crown of Aragon]], which included not just Aragon, but also the kingdoms of [[King of Valencia|Valencia]], [[Sardinia]], and [[Corsica]].</ref> and [[Count of Barcelona]]<ref>He was also the holder of most of the Catalan counties.</ref> (as Alfonso III) from [[1327]] to his death. He was the second son of [[James II of Aragon|James II]] and [[Blanche of Anjou]]. His reign saw the incorporation of the [[County of Urgell]], [[Duchy of Athens]], and [[Duchy of Neopatria]] into the [[Crown of Aragon]].
During the reign of his father, he was the procurator general of the Crown. He married [[Teresa d'Entença]], heiress of [[Urgell]], in [[1314]]. In [[1323]]–[[1324]], he undertook the conquest of [[Sardinia]]. He became heir after his older brother James renounced his rights to become a monk. In [[1329]], he began a long war with the [[Republic of Genoa]]. The city of [[Sassari]] surrenderd in 1323, but rebelled three more times and was contested by Genoa.
After widowing, Alfonso married [[Eleanor of Castile, son of Ferdinand IV|Eleanor of Castile]], who was betrothed to his brother James, who had refused to consummate the marriage. She was the sister of [[Alfonso XI of Castile]].
==Ancestors==
{| class="wikitable"
|+'''Alfonso's ancestors in three generations'''
|-
|-
| rowspan="8" align="center"| '''Alfonso IV of Aragon'''
| rowspan="4" align="center"| '''Father:'''<br />[[James II of Aragon]]
| rowspan="2" align="center"| '''Paternal Grandfather:'''<br />[[Peter III of Aragon]]
| align="center"| '''Paternal Great-grandfather:'''<br />[[James I of Aragon]]
|-
| align="center"| '''Paternal Great-grandmother:'''<br />[[Violant of Hungary]]
|-
| rowspan="2" align="center"| '''Paternal Grandmother:'''<br />[[Constantia of Sicily]]
| align="center"| '''Paternal Great-grandfather:'''<br />[[Manfred of Sicily]]
|-
| align="center"| '''Paternal Great-grandmother:'''<br />Beatrice of Savoy
|-
| rowspan="4" align="center"| '''Mother:'''<br />[[Blanche of Anjou]]
| rowspan="2" align="center"| '''Maternal Grandfather:'''<br />[[Charles II of Naples]]
| align="center"| '''Maternal Great-grandfather:'''<br />[[Charles I of Naples]]
|-
| align="center"| '''Maternal Great-grandmother:'''<br />[[Beatrice of Provence]]
|-
| rowspan="2" align="center"| '''Maternal Grandmother:'''<br />[[Maria Arpad of Hungary]]
| align="center"| '''Maternal Great-grandfather:'''<br />[[Stephen V of Hungary]]
|-
| align="center"| '''Maternal Great-grandmother:'''<br />Elisabeth of Kuthan
|}
==Children==
By Teresa d'Entença:
* Alfonso, lived only one year
* [[Peter IV of Aragon|Peter IV]], successor
* [[James I, Count of Urgell]], also inherited Entença and Antillon
* Fadrique, died young
* Constance (1322-1346), married [[James III of Majorca]]
* Elizabeth, died young
* Sancho (1327), lived only a few days
By Eleanor of Castile:
* [[Ferdinand, Prince of Aragon|Ferdinand, Marquis of Tortosa]]
* John, married [[Isabel Núñez de Lara]] and was killed by order of his cousin [[Pedro of Castile]]
==Notes==
<references/>
{{start box}}
{{succession box three to three|
before=[[James II of Aragon|James II]]|
after=[[Peter IV of Aragon|Peter IV]]|
title1=[[List of Aragonese monarchs|King of Aragon]]|
title2=[[List of Counts of Barcelona|Count of Barcelona]]|
title3=[[List of Valencian monarchs|King of Valencia]]|
years1=1327–1336|
years2=1327–1336|
years3=1327–1336|
}}
{{end box}}
[[Category:1299 births]]
[[Category:1366 deaths]]
[[Category:Aragonese monarchs]]
[[Category:Counts of Barcelona]]
{{Euro-royal-stub}}
[[an:Alifonso IV d'Aragón]]
[[ca:Alfons el Benigne]]
[[de:Alfons IV. (Aragón)]]
[[es:Alfonso IV de Aragón]]
[[fr:Alphonse IV d'Aragon]]
[[it:Alfonso IV di Aragona]]
[[nl:Alfons IV van Aragón]]
[[ja:アルフォンソ4世 (アラゴン王)]]
[[pl:Alfons IV Łagodny]]
[[pt:Afonso IV de Aragão]]
[[sc:Alfonsu I de Sardigna]]