Fernando, Lord of Serpa

Infante Fernando of Portugal, or Ferdinand in English, was a Portuguese infante, son of King Afonso II of Portugal and his wife Urraca of Castile, daughter of Alfonso VIII of Castile.
Fernando was born in 1218 and was made Lord of Serpa in 1232. It is known that he travelled to Rome in 1237 to beg for a pardon from Pope Gregory IX for his violence against certain clerics. He died on 19 January 1246.

Marriage and offspring

He married Sancha Fernández de Lara, daughter of Fernando Núñez de Lara and wife Mayor González, without any documented issue.
He had, however, a bastard son by an unknown woman named Sancho Fernandes de Serpa, who was a Prior at Santo Estevão de Alfama.

In a study from the Spanish historian Faustino Menéndez-Pidal de Navascués, the infante Fernando should have used a Coat of Arms representing a Wyvern, the symbol of his Lordship of Serpa, in south Alentejo, with a border where, alternately, are represented the arms of Portugal and those of Castile.