He was born 19 Sep 1837, and was baptized 27 Sep 1837 in Mier. His father was Antonio Ramirez Yzaguirre, and his mother was Maria Encarnacion Canales. Birth source: link
He married Josefa Canales, daughter of Jose Antonio Canales and Maria Rita Peña. Her father owned Mier 61 grant, La Zacatosa grant, Starr County.