Juan married María Concepción Dolores del Rosario Castro Peralta about 1850 in California, USA. María (daughter of Guillermo Castro and Maria Luisa Fermina Barbara Peralta) was born about 1834 in Santa Bárbara, Santa Barbara Co., California, then México; died in in Mendoza, Argentina. [Group Sheet] [Family Chart]

1. Roberto Rafael Guevara was born on 28 June 1855 in San Francisco, San Francisco Co., California, USA; died on 29 July 1918 in Buenos Aires, Argentina.