Born in Texas; third son of the Empresario Don Martin de Leon, founder of De Leon Colony and City of Victoria. Felix de Leon was held hostage on a pirate ship about 1822, to force his father to comply with buccaneer demands. Later he became active in Colony's affairs. A skilled Indian fighter, he served Texas' cause in War for Independence.
His business was supplying horses, mules, and cattle to the New Orleans market. (1972)