He was born circa 1766, and was baptized 8 Sept 1766 in Monterrey. His father was Jose Antonio Verastigui, and his mother was Juana Gertrudis Rodriguez. At the baptism, the priest recorded his residence as San Pedro. Birth source: link
He married Maria Francisca Saldaña, daughter of Francisco Saldaña and Maria Ygnes de Peña in 1785. He was 19 years old, and the bride was 18 years old.