House of Trastámara-Aragon

Cadet Branches
House of Aragon-Segorbe
Counts of Ampurias
Lords and Dukes of Segorbe
Issued from Henry, 3rd son of Ferdinand I of Aragon
House of Aragon-Villahermosa
Counts of Ribagorza and Cortes
Dukes of Villahermosa
Issued from Alfonso, Illegitimate son of John II of Aragon
House of Trastámara-Navarre
Kings of Navarre
Princes of Viana
Issued from 1st marriage of John II of Aragon with Blanche I, Queen of Navarre
House of Trastámara-Naples
Kings of Naples
Titular Kings of Jerusalem
Issued from Ferdinand I of Naples, illegitimate son of Alfonso V of Aragon

Personal Arms
John II of Aragon
as Infante of Aragon and
Duke of Peñafiel and Montblanc
John II of Aragon
as King consort of Navarre
From 1425
John II of Aragon
as King consort of Navarre
Arms variant on a seal of 1427
John II of Aragon
King of Aragon, Sicily and Navarre
From 1458
John II of Aragon
Alternative arms variant in rolls of the Golden Fleece
Ferdinand II the Catholic
King of Aragon, Sicily and Naples
1504-1513
Ferdinand II the Catholic
King of Aragon, Sicily and Naples
Alternative arms variant
Ferdinand II the Catholic
King of Aragon, Sicily and Naples
1513–1516
Joanna the Mad
Queen of Castile, Leon, Aragon, Sicily and Naples