Infante dom Afonso II “o Gordo” DE PORTUGAL
Infanta doña Urraca DE CASTILLA
Infante don Alfonso X "el Sabio" DE CASTILLA y León
María Guillén DE GUZMÁN, Señora de Alcocer...
(Abt 1225-Bef 1267)
Infante dom Afonso III “o Restaurador” DE PORTUGAL
Infanta doña Beatriz Alfonso DE CASTILLA y León

Infante dom Diniz "o Justo" DE PORTUGAL


Family Links

1. Infanta doña Isabella DE ARAGÓN

0. Aldonça Sanchez DE SOUSA, Mistress
  • Afonso Sanchez DE PORTUGAL
0. Gracia, Senhora DE RIBEYRA, Mistress
0. Maria PIREZ of Oporto, Mistress
  • João Afonso DE PORTUGAL
0. Marina GOMEZ of Lisbon, Mistress
  • Maria Afonso DE PORTUGAL

Infante dom Diniz "o Justo" DE PORTUGAL

  • Born: 9 Oct 1261, Lisboa, Portugal
  • Married: 24 Jun 1282, Trancoso, Guarda, Portugal
  • Died: 7 Jan 1325, Santarem, Portugal

  Diniz was also known as Diniz AFONSEZ, King of Portugal

  General Notes:

Compiler's 21 x great-grandfather

  Research Notes:

The Nobiliario of Pedro Conde de Barcelos names "D. Dionis, D. Alonso" as the sons of "D. Alonso…Rey de Portugal" and his wife "D. Beatriz". The Chronicon Conimbricensi records the birth “VII Id Oct” in 1261 of “Infans Domnus Dionysius filius Regis Domni Alfonsi et Reginæ Beatricis”. The Breve Chronicon Alcobacense records that "comitissa Bolonie" was still alive when "rex Dionisius" was born, but had died before the birth of his brother Afonso, and it was therefore claimed that Diniz was illegitimate but Afonso legitimate. The testament of “Donna Constancia Sancii, Donni Sancii...quondam Regis Portugaliæ filiæ”, dated 15 Jul 1269, requested “Dnm Alphonsum...Regem Portugaliæ et dominam Beatricem reginam et filiam...regis Castellæ et dominum Dyonisium filium eorundem” to ensure performance of its terms. The testament of “Alphonsus...Rex Portug. et Algarbii”, dated 23 Nov 1271, appointed “Dono Dionysio meo filio” as his successor.

He succeeded his father in 1279 as DINIZ "o Justo/o Lavrador" King of Portugal. Founded the University of Lisbon 1290. He encouraged land development by breaking up large domains and reforming peasant land tenure. Portuguese replaced Latin as the official language during his reign. His heir rebelled against him in his last years, provoked by the honours he bestowed on his illegitimate children. The testament of “D. Diniz...Rey de Portugal e do Algarve”, dated 20 Jun 1322, chose burial “no meu Mosteiro de Sam Diniz de Odivellas”, made bequests to “Infante Dona Maria minha neta...Infante Dom Affonso meu filho...” and appointed “a Raynha Donna Isabel minha mulher e Affonso Sanches meu Filho...” among his executors.

The Chronicon Conimbricensi records the death “VII Id Jan” of “Doñs Dionysius…Rex Portugaliæ”. The Breve Chronicon Alcobacense records the death "Sanctarene 13 Jan Era 1363" of "rex Dyonisius" and his burial "in monasterio quod ipse fecit…Odiuelas". 1

  Marriage Information:

Diniz married Infanta doña Isabella DE ARAGÓN, daughter of Infante don Pedro III "El Grande" DE ARAGÓN and Constance VON HOHENSTAUFEN, on 24 Jun 1282 in Trancoso, Guarda, Portugal. (Infanta doña Isabella DE ARAGÓN was born on 4 Jan 1271 in Zaragoza, Spain and died on 4 Jul 1336 in Estremoz, Evora, Portugal.)

  Marriage Notes:

Married first by proxy at Barcelona 11 Feb 1282.


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

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