At that time Osuna was lorded over by Alfonso Téllez-Girón de las Casas, 1st Count of Ureña since 1464 by King Enrique IV of Castile.
At that time Osuna was lorded over by Pedro Girón, 1st Lord of Osuna. His son Alfonso Téllez-Girón de las Casas was elevated to Count of Ureña in 1464 by King Enrique IV of Castile.