Juan Antonio Leal was born circa 1723, the son of Jose Domingo Leal and Maria Ysabel de la Garza.
He married Antonia Garcia.
Juan Jose Leal was born circa 1757.
Jose Patricio Leal was born circa 1760.
In 1768, as an antiguo poblador, he was granted Mier 55 by the King of Spain. Juan Antonio Leal was not on Mier roster believing he was a resident of Revilla, but the tract assigned to him.
In 1782, he lived in Mier. The church census recorded that he was married, español, and 59 years old. His household included 4 people:
Juan Antonio Leal, español, married, age 59.
Antonia Garcia, española, married, age 57.
Juan Jose Leal, español, single, age 25.
Jose Patricio Leal, español, single, age 22.