She was born circa 1844. Her father was Francisco Barrera, and her mother was Maria Yrinea Barrera.
She married Francisco Guerra, son of Cesario Guerra and Ramona Guerra in 1862 in Mier. She was 18 years old, and the groom was 22 years old. His father owned Las Viboras grant.
Severina Guerra Barrera, baptized 18 Apr 1868 in Mier. She married Jacobo Gonzalez Rodriguez, son of Pablo Gonzalez and Gertrudis Rodriguez on 26 Feb 1888 in Mier.