José de los Santos Berreyesa

José de los Santos Berreyesa (April 28, 1817 – October 30, 1864), a member of the Berreyesa family, was the last Alcalde of Alta California. Fluent to a high degree in both English and Spanish, he served as a witness on many land grant cases before the Public Land Commission in the 1850s and 1860s.

Life José de los Santos Berreyesa was born in Yerba Buena (present day San Francisco) in northern Alta California of Mexico. He was the sixth child and fourth son of José de los Reyes Berreyesa.

Berreyesa served as the alcalde at the Mexican Presidio of Sonoma. In 1846, while alcalde and during the Bear Flag Revolt, he was jailed with two of his brothers by American John C. Frémont. When his father traveled up to see how his three sons were being treated in jail, the father and two cousins, twin sons of Francisco de Haro, were shot and killed in San Rafael by a group of three men, including Kit Carson, who was assigned the task by Frémont. The dead were stripped of their belongings, and left for Mission Indians to bury. Later, Carson told Jasper O'Farrell that he regretted killing the Californios, but that the act was only one such that Frémont ordered him to commit. was patented by the U.S. to his estate in 1873.

José de los Santos Berreyesa died in Martinez, California on October 30, 1864.