Fernando de la Mora was one of the founding fathers of Paraguay, and was an early leader of the country between 1811 and 1813, but soon lost his power and died imprisoned.
Well educated and well liked, he was part of the small rural elite of Asunción and had social and commercial ties to major patrician families of Buenos Aires.
Mariano Antonio Molas proposed that Congress removes the last Spanish governor Bernardo de Velazco y Huidobro from all posts.
Other members of junta were Dr. José Gaspar Rodríguez de Francia, a skilled civilian figure, the young captain Pedro Juan Caballero representative of the troops that had defeated the invasion of Buenos Aires, a priest Francisco Xavier Bogarin and finally Don Fernando de la Mora, a civilian, who was linked to Paraguayan society.
Having noticed the withdrawal of the forces belonging to the strong neighboring to the fort of Coimbra, Mora established the City Hall of Concepcion, created by decree of the junta on 12 November 1812.
He was referring to the additional article of the treaty of 12 October 1811 signed on Asunción with the Manuel Belgrano, which the First Triumvirate of Buenos Aires used to unjustifiably apply taxes to Paraguayan tobacco and start a trade war.