Arms of Aviz: Argent, five escutcheons azure in cross, charged with plates; a bordure gules with castles or, and overall the fleur-de-lis ends vert of the Cross of Aviz.
Houses and lineages

Aviz

The dynasty born of the crisis of 1383–1385 that governed Portugal during its Atlantic expansion and ended with Sebastian’s death at Alcácer Quibir and that of his uncle Henry.

Arms. Argent, five escutcheons azure in cross, charged with plates; a bordure gules with castles or, and overall the fleur-de-lis ends vert of the Cross of Aviz. The arms of Portugal from John I (1385). John II removed the Cross of Aviz in 1485.

27 recorded people2 documented connections
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Genealogy, inheritance and alliances

Parent houses and branches

Descent, marriage and inheritance connect houses in different ways. Each documented link retains its own explanation.

Parent house

Arms of Portuguese House of Burgundy
Parent house

Portuguese House of Burgundy

14

The Portuguese branch of the Capetian ducal House of Burgundy, also known as the first or Afonsine dynasty, governed the kingdom from its formation until the succession crisis of 1383–1385.

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Cadet branch · 1385

John I of Aviz was Peter I of Portugal’s natural son. His election in 1385 inaugurated another reigning house within the descendants of Portugal’s first dynasty.

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Branches of this house

Arms of Braganza
Branches of this house

Braganza

19

An illegitimate branch of the House of Aviz that, from the creation of its duchy in 1442, became Portugal’s greatest noble house. It reigned in Portugal from 1640 and in Brazil from 1822.

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Cadet branch · 1442

Afonso, John I of Aviz’s natural son, received the Duchy of Braganza in 1442. His descendants formed a powerful noble house and reached the Portuguese throne with John IV in 1640.

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Origin

John, master of the Order of Aviz and natural son of Peter I, was acclaimed king by the Cortes of Coimbra in 1385 against John I of Castile’s claims. His victory at Aljubarrota (1385) and the English alliance, sealed by his marriage to Philippa of Lancaster, secured the kingdom’s independence.

Development

The conquest of Ceuta (1415) opened African expansion, promoted by Infante Henry the Navigator. John II organised the route towards India and negotiated the Treaty of Tordesillas (1494) with Castile. Under Manuel I, Vasco da Gama reached India and Cabral reached Brazil.

Legacy

Sebastian died childless at Alcácer Quibir (1578). After Cardinal Henry’s brief reign, Philip II, a grandson of Manuel I through his mother, was recognised as king in 1581. Portugal recovered its independence in 1640 under the House of Braganza, descended from John I.

People who connect the history

Protagonists and connections

Territorial context

Linked territories

Recorded members of this house

People in this house

Recorded governments of members

Includes nominal titles, regencies and disputes when recorded. Annual intervals do not establish continuous or exclusive control.

PersonTerritory and titlePeriodStatus
John I of PortugalKing · Portugal · ES1385–1433Effective rule
Edward of PortugalKing · Portugal · ES1433–1438Effective rule
Afonso V of PortugalKing · Portugal · ES1438–1481Effective rule
John II of PortugalKing · Portugal · ES1481–1495Effective rule
Manuel I of PortugalKing · Portugal · ES1495–1521Effective rule
John III of PortugalKing · Portugal · ES1521–1557Effective rule
Sebastian of PortugalKing · Portugal · ES1557–1578Effective rule
Henry of PortugalKing · Portugal · ES1578–1580Effective rule

Contextual bibliography

General references do not by themselves verify every relationship or date. Bibliographic titles retain their original language.

Sources and methodology
Arms: Bragancihno · CC BY-SA 4.0 · Wikimedia Commons. A viewBox was added for responsive scaling; the drawing is unchanged.