He was born circa 1763. His father was Ildefonso Gonzalez, and his mother was Maria Luisa Saldivar.
In 1782, he lived in Mier in household number 65. The church census recorded that he was a youth, español, and 19 years old. His household included 6 people:
Ildefonso Gonzalez, married, español, age 37.
Maria Luisa Saldivar, married, española, age 37.
Juan Nicolas Gonzalez, a youth, español, age 19.
Francisco Gonzalez, single, español, age 16.
Maria Faustina Gonzalez, a child, española, age 10.
Maria Nicolasa Gonzalez, a child, española, age 7.