My grandfather, John Stephen DeMartini, was b. in S.F. Jan. 9, 1892 and died in Sonoma, CA June 11, 1971. His father was Stefano John DeMartini b. Dec. 1858 in Italy and died April 21, 1928 in Daly City, CA. Stefano's wife was Josephine Fontana b. 1864 in Mexico, died June 14, 1922 in S.F. Stefano's parents were John DeMartini b. in Italy and Julia Arata b. 1839 in Italy. Josephine's parents were Francisco Fontana b. in Italy and Hortrudes Monroi b. in Mexico. Do you know any of these people or know where I can find info about them? Thank you.