Infante dom Afonso III “o Restaurador” DE PORTUGAL
Infante doña Beatriz Alfonso DE CASTILLA y León
Pedro III "el Grande" DE ARAGÓN
Infante dom Diniz "o Justo" DE PORTUGAL
Infanta doña Isabella DE ARAGÓN

Infante dom Afonso IV "o Osado" DE PORTUGAL


Family Links

Infanta doña Beatriz DE CASTILLA y León

  • Infanta dona Maria DE PORTUGAL+
  • Infante dom Afonso DE PORTUGAL (d.y.)
  • Infante dom Diniz DE PORTUGAL
  • Infante dom Pedro I "o Justiceiro" DE PORTUGAL+
  • Infanta doña Isabel DE PORTUGAL (d.y.)
  • Infante dom João DE PORTUGAL (d.y.)
  • Infanta doña Leonor DE PORTUGAL

Infante dom Afonso IV "o Osado" DE PORTUGAL

  • Born: 8 Feb 1291, Lisboa, Portugal
  • Married: 12 Sep 1309, Lisboa, Portugal
  • Died: 29 May 1357, Lisboa, Portugal

  Also known as Afonso IV DINISEZ, King of Portugal

  General Notes:

Compiler's 20 x great-grandfather

  Research Notes:

The Nobiliario of Pedro Conde de Barcelos names "D. Alonso, D. Constança" as the children of "D. Dionis…Rey de Portugal" and his wife "D. Isabel". The Chronicon Conimbricensi records the birth “VI Id Feb” in 1291 of “Dñs Alfonsus filius…Dñi Dionisii Regis Portug. et Algarbii et Reginæ Doñæ Elizabeth”.

He rebelled against his father, provoked by the honours bestowed on his illegitimate half-brothers. The testament of “D. Diniz...Rey de Portugal e do Algarve”, dated 20 Jun 1322, made bequests to “Infante Dona Maria minha neta...Infante Dom Affonso meu filho...”.

He succeeded his father 1325 as AFONSO IV "o Osado/the Bold" King of Portugal.

His forces fought with Castile to defeat the Moroccans at Salado in 1340. The testament of “D. Affonso IV...Rey de Portugal e do Algarve”, dated 24 Mar 1345, requested burial “na Igreja Cathedral de Lisboa”, and names “Raynha D. Breatis...Infante D. Pedro nosso filho primeiro herdeiro”.

The Chronicon Conimbricensi records the death 29 May 1357 of “Rey D. Alfonso ò quarto, e filho do…Rey D. Denis” in “a Cidade de Lizboa” and his burial “à See de ditta Cidade”. 1

  Marriage Information:

Afonso married Infanta doña Beatriz DE CASTILLA y Léon, daughter of Infante don Sancho IV "el Bravo" DE CASTILLA y Léon and María Alfonso "la Grande" DE MOLINA, on 12 Sep 1309 in Lisboa, Portugal. (Infanta doña Beatriz DE CASTILLA y Léon was born in 1293 in Tora, Zamora, Spain and died on 25 Oct 1359 in Lisboa, Portugal.)


1 Foundation for Medieval Genealogy, Medlands: Infante dom Afonso de Portugal.

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