Garci Lasso de la Vega II, also known as “El Joven” ( ? - Burgos, 1351) was the son of Garci Lasso de la Vega "El Viejo" with his first wife, Juana de Castañeda. He commanded Castillian troops against Navarra in the Battle of Río Salado of 1334. After distinguishing his valor, he was appointed as the highest royal official to the court of Fadrique Alfonso de Castilla, master of the Order of Santiago and son of Alfonso XI of Castile. He was later appointed Adelantado of Castile through the patronage of Juan Núñez de Lara. After the death of his patron, he sought refuge in Burgos, fearing the wrath of Juan Alfonso de Alburquerque. King Pedro I and his loyal men found him there where he suffered an atrocious death witnessed by the king in 1351, as reported by Pero López de Ayala in his chroni