Pedro Ventura was born circa 1776, the son of Matias Ventura (Alvarez) and Maria Zapopa Gonzalez.
In 1782, he lived at Santa Gertrudis. The church census recorded that he was a young child, casta, and 6 years old. His household included 7 people:
Mathias Ventura (Alvarez), casta, married.
Maria Zapopa Gonzalez, espaƱola, married.
Jose Rafael Ventura casta.
Jose Antonio Ventura, casta, a child, age 10.
Jose Maria Ventura, casta, a child, age 8.
Pedro Ventura, casta, a young child, age 6.
Maria Concepcion Ventura, india, a young child, age 1.