Clara Avila was born 1675 in Monterrey Nuevo Leon Mexico, and died date unknown.She married Alonso De Olivares on 06 Jan 1687 in Monterrey Nuevo Leon Mexico, son of General Juan De Olivares and Juana De Trevino. More About Clara Avila and Alonso De Olivares: Marriage: 06 Jan 1687, Monterrey Nuevo Leon Mexico.