Rancho Pescadero was a 35,546-acre Mexican land grant in present-day San Joaquin County, California and Alameda County, California given in 1843 by Governor Manuel Micheltorena to Antonio María Pico.
Antonio María Pico, a member of the prominent Pico family of California.
The Pico family is a prominent Californio family of Southern California. Members of the family held extensive rancho grants and numerous important positions, including Governor of Alta California, sig
Pío Pico, the last Governor of Alta California prior to the Conquest of California.