Gonzalo Jiménez de Quesada was born in Cordova, Spain, into a Jewish family which had converted to Catholicism before he was born.
His father is a hidalgo relative of Gonzalo Francisco de Cordoba, and he has two known distant cousins: Hernán Cortes and Francisco Pizarro.
An Andalusian lawyer, trained in Granada, Quesada had been appointed chief magistrate in 1535 and second in command for an expedition to present-day Colombia, because in this period he isn’t in good standing with the people at home because he has just lost an important law case in which his mother’s family was economically involved.
The commander of the expedition, Pedro Fernández de Lugo (governor of the Canary Islands), has purchased the governorship of Colombia and has equipped a fleet and assembled over a thousand men.
Thus they set sail to Colombia, thinking they will find a very rich land, full of gold and pearls.
However, when, after two month of navigation, they reach the small coastal settlement of Santa Marta in early 1536, all they find was a conglomeration of hovels and filthy, disease-ridden colonists who go about dressed in skins or roughly woven and padded cotton clothes made by the Indians.
Soon food becomes scarce and tropical fevers began to strike down even the strongest.
From 1533, a belief has persisted that the Río Grande de la Magdalena is the trail to the South Sea, to Peru, to the legendary El Dorado.
Quesada, despite his lack of military experience, is chosen by de Lugo to command an expedition to explore into the interior of present Colombia, hoping to discover the dreamed El Dorado.
A land party of five hundred soldiers under Quesada, with Hernán Pérez de Quesada (his brother), Juan San Martín, Juan del Junco (as second in command) Lázaro Fonte and Sergio Bustillo, strikes south from Santa Marta on April 6, 1536, …