João I (Avis) de Portugal

João (Avis) de Portugal (1357 - 1433)

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João (João I) "Rei de Portugal e Algarve, the Good, of Happy Memory, the Bastard, Lord of Ceuta" de Portugal formerly Avis
Born in Lisboa, Lisboa, Portugalmap
Ancestors ancestors
Husband of — married 2 Feb 1387 in Porto, Porto, Portugalmap
Descendants descendants
Died in Lisboa, Lisboa, Portugalmap
Profile last modified 24 Aug 2019 | Created 26 Jun 2016
This page has been accessed 1,991 times.
The House of Aviz crest.
João I (Avis) de Portugal is a member of the House of Aviz.



PHILIPPE OF LANCASTER (or FILIPA DE LENCASTRE) born at Leicester 31 March 1360. Philippa married, JOAO I Of PORTUGAL, at Oporto 11 Feb 1387, illegitimate son of Pedro I, King of Portugal and Algarve, by his mistress, Teresa Gille Lourenco. He was born at Lisbon 11 April 1358. They had six sons, and three daughters. By a mistress, Inez Pires Esteves, he also had one illegitimate son, Affonso [Count of Barcellos, Duke of Braganza] and one illegitimate daughter, Beatrice (or Beatriz) (wife of Thomas Arundel, K.G., K.B., Earl of Arundel and Surrey [see FITZ ALAN 12.vii], and John Holand, K.G., Duke of Exeter, Earl of Huntingdon and Ivry [see EXETER 11]. Philippe (or Filipa), died at Odivellas 19 July 1415. JOAO I, King of Portugal and the Algarve, senor of Ceuuta, died testate 14 August 1433, and was buried with his wife at Batalha Abbey, Portugal. Descendants include, Queen Katherine of Aragon, 1st wife of Henry VIII, King of England [see TUDOR 15], and Queen Henriette Marie (otherwise known as Queen Mary), wife of Charles I, King of England.

Child of Philippe (or Filipa) of Lancaster, by Joao I of Portugal:

ISABEL (or ISABELLA) OF PORTUGAL, born at Evora 21 Feb. 1397. She married at Sluis 7 Jan. 1430 (as his 3rd wife) PHILIPPE III le bon, Duke of Burgundy, Lorraine, Brabant, and Limburg, Count of Flanders, Artois, Hainault, Holland, Zeeland, and Namur. He was born at Dijon 31 July 1396. They had three sons, Antoine (or Anton), Josse, and Charles, K.G. [Duke of Burgundy, Lorraine, Brabant, Limburg, and Luxembourg]. Philippe III, Duke of Burgundy died at Brugge 15 June 1467, and was buried at Chartreuse de Champmol at Dijon. His widow, Isabel (or Isabella), Duchess of Burgundy, died at Aire (Pas-de-Calais) 17 Dec. 1471.


Preceded by
Ferdinand I
John I, King of Portugal and the Algarve
6 Apr 1385 – 14 Aug 1433
Succeeded by
Edward of Portugal


John I of Portugal
d. Cause: plague
bur: Chapel of the Founder, Monastery of Batalha, Batalha, District of Leiria, Portugal

Early Life

p. Peter (Pedro) I of Portugal and his mistress Teresa Lourenço.


m. Phillipa of Lancaster[1]



  1. p. John of Gaunt and Blanche of Lancaster

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DNA Connections
It may be possible to confirm family relationships with João I by comparing test results with other carriers of his Y-chromosome or his mother's mitochondrial DNA. Y-chromosome DNA test-takers in his direct paternal line on WikiTree:

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Comments: 4

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posted by [Living Sälgö]
could a profile manager please look at the merge request from 25 May. please and thank you.
De Portugal-32 and Aviz-17 appear to represent the same person because: Both profiles are for King John I of Portugal.
Of Portugal-41 and Aviz-17 appear to represent the same person because: I think these two profiles are for the same person because they are very similar.
posted by Linda Plummer

Rejected matches › João (Aviz) Portugal (1400-1442)

João I is 21 degrees from Donald Howard, 17 degrees from Julia Howe and 5 degrees from Henry VIII of England on our single family tree. Login to find your connection.

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