Fernando Pérez de Lara, also called Fernando Furtado or Hurtado, was the illegitimate son of Urraca, queen regnant of León and Castile, and her lover, Count Pedro González de Lara.

Urraca, called "the reckless" (la temeraria), was Queen of León, Castile and Galicia from 1109 until her death. She claimed the imperial title as suo jure Empress of All Spain and Empress of All Galicia.