Infante don Jaime I "el Conquistador" DE ARAGÓN
Iolanda ÁRPÁD, Princess of Hungary
(Aft 1215-1251)
Manfredo VON HOHENSTAUFEN, King of Two Sicilies
Béatrice DE SAVOIE
(Abt 1215-1259)
Infante don Pedro III "el Grande" DE ARAGÓN
Infanta doña Isabella DE ARAGÓN


Family Links

1. Infante dom Diniz "o Justo" DE PORTUGAL

Infanta doña Isabella DE ARAGÓN, Queen of Portugal and the Algarve

  • Born: 4 Jan 1271, Zaragoza, Spain
  • Married: 24 Jun 1282, Trancoso, Guarda, Portugal
  • Died: 4 Jul 1336, Estremoz, Evora, Portugal

  General Notes:

Compiler's 21 x great-grandmother

  Research Notes:

The Historia Sicula of Bartolomeo di Neocastro names "Alfonsus, Elisabeth regina Portugalli…Rex Iacobus, Dominus Fridericus, domina Violanta et dominus Petrus" as the children of "Petro regi Aragonum" and his wife. Her parentage and marriage are confirmed by the Chronicon Conimbricensi which names “Rex Aragoniæ…Dñs Joannes filius Regis Domni Petri” as “frater…Dñæ Elizabeth Reginæ Portugaliæ”. The marriage by proxy of “Dionysius...Rex Portugalliæ et Algarbii” and “P...Rege Aragon...Elisabeth filiam maiore” is dated 11 Feb 1282. The first testament of “Dona Isabel...Rainha de Portugal e do Algarve”, dated 19 Apr 1314, chose burial “em Alcobaça”, and names “Infante D. Affonço meu filho primeiro herdeiro...Dom Pedro meu irmão...”. Her husband banished her to a fortress when she supported her son in his revolt against his father. The testament of “D. Diniz...Rey de Portugal e do Algarve”, dated 20 Jun 1322, appointed “a Raynha Donna Isabel minha mulher e Affonso Sanches meu Filho...” among his executors. After her husband died she retired to a house at Coimbra near a Poor Clare convent which she had founded and devoted her life to good works. The second testament of “Dona Isabel...Rainha de Portugal e do Algarve”, dated 22 Dec 1327, chose burial “em o meu mosteiro de Santa Clara e de Sancta Isabel de Coimbra” with “Ifante Dona Isabel minha neta”, made bequests to “Rainha Dona Breatis minha filha...Ifanta Dona Maria sa filha...Iffanta Dona Maria minha neta...Iffanta Dona Leanor minha neta...minha sobrinha Dona Izabel...Dom Affonso filho de Dõ Pedro meu irmaõ...el Rey meu filho...Dona Vataça”, and appointed “El Rey Dom Affonço meu filho e a Rainha Dona Breatis minha filha sa mulher,e o Ifante Dom Pedro meu neto filho primeiro herdeiro do dito Rey Dom Affonço e a Ifanta Dona Maria minha neta...Dona Vataça” as her executors.

The Breve Chronicon Alcobacense records that "rex Dyonisius…Elisabeth uxor sua Regina" was buried "Colimbrie in monasterio Sancte Clare quod ipsa construxit". She was canonised 25 May 1625, feast day 8 July. 1

  Marriage Information:

Infanta doña Isabella married Infante dom Diniz "o Justo" DE PORTUGAL, son of Infante dom Afonso III “o Restaurador” DE PORTUGAL and Infanta doña Beatriz Alfonso DE CASTILLA y León, on 24 Jun 1282 in Trancoso, Guarda, Portugal. (Infanta dom Diniz DE PORTUGA was born on 9 Oct 1261 in Lisboa, Portugal and died on 7 Jan 1325 in Santarem, Portugal.)

  Marriage Notes:

Married first by proxy at Barcelona 11 Feb 1282.


1 Foundation for Medieval Genealogy, Medlands: Infanta doña Isabel de Aragón.

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