Gerónimo de Aguilar O.F.M. (1489–1531) was a Franciscan friar born in Écija, Spain. Aguilar was later involved with the 1519 Spanish conquest of Mexico, and with La Malinche he assisted Hernán Cortés in translating indigenous language to Spanish.

• http://en.wikipedia.org/wiki/Gerónimo de Aguilar
• Pages 153-154 - Levy, B., 2011, River of Darkness: Francisco Orellana's Legendary Voyage of Death and Discovery Down the Amazon: Bantam, New York, 324p.