Peter IV, called the Ceremonious, was from 1336 until his death the king of Aragon, Sardinia-Corsica, and Valencia, and count of Barcelona. In 1344, he deposed James III of Majorca and made himself King of Majorca.
Peter IV, King of Aragon by Gonzalo Pérez & Jaume Mateu (1427)
A Sardinian ducat (or principat), also called an Alfonsino, of Peter IV's reign. Note the four bars representing the Crown of Aragon.
Coat of arms of Peter IV at the Royal Gate of Poblet Monastery
The count of Barcelona was the ruler of the County of Barcelona and also, by extension and according with the Usages and Catalan constitutions, of the Principality of Catalonia as Princeps for much of Catalan history, from the 9th century until the 18th century. After 1164, with Alfonso II of Aragon and I of Barcelona, the title of count of Barcelona was united with that of king of Aragon, and after the 16th century, with that of king of Spain.
Tomb of Count Ramon Berenger I (d. 1076).
Image: Estatuas Plaza de Oriente Madrid 19 (16569217757)
Image: Wifred II of Barcelona
Image: Rotlle genealogic sunifred I de barcelona