Background
Fernando was born in the summer of 1217 and was made Lord of Serpa and Lamego in 1223.
Fernando was born in the summer of 1217 and was made Lord of Serpa and Lamego in 1223.
lieutenant 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 January 19, 1246. 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 (Serpe in Portuguese), the symbol of his Lordship of Serpa, in south Alentejo, with a border where, alternately, are represented the arms of Portugal (paternal ancestry) and those of Castile (maternal ancestry).