 They lived on the northern tip of the San Francisco Peninsula in the region comprising the City and County of San Francisco before the arrival of Spanish missionaries in 1769.The first four Yelamu people who converted to Christianity were baptized by Father Palou and Father Santa Maria between 1777 and 1779.They were absorbed into the Mission San Francisco de Asís that was founded in 1776 by the Spaniards, and became some of the first "Mission Indians" in the San Francisco area.