Researching Francisca Cruz Vasquez

Francisca Cruz Vasquez was born in San Cosme, Villa de Cos, Zacatecas, MX to Dolores Cruz and Lucinana Cruz on June 8th, 1858. I am trying to find out who her brothers and sisters were. Francisca maried Agustin Dominguez in September 10th,1883
in San Antonio, Texas. She had a sister or child named Augustina Vasquez who later married Salvador Vera. Any help would be appreciated.