He was born circa 1766, and was baptized 16 Dec 1766 in Monterrey. His father was Jose Manuel Saldaña, and his mother was Maria Catarina Petra de la Peña.
He married Maria Gertrudis Gonzalez Guerra on 8 Feb 1790 in Monterrey. He was 24 years old.
He married Maria Catarina Garcia Davila on 30 Jan 1812. He was 46 years old. It was his second marriage.