He was born circa 1743. His father was Domingo Cristobal de Sosa, and his mother was Maria de la Ascencion. His father owned Camargo 41 grant.
He was padrino at the wedding of:
Maria Nicolasa Garcia and Francisco Cirio, married on 15 Nov 1784 in Mier. The madrina was Maria de la Asencion Vargas.
Domingo Cristobal de Sosa, head of household
Maria Bartola de Sosa, daughter, 10 years old
Maria de Jesus de Sosa, daughter, 8 years old
Jose Julian de Sosa, son, 7 years old
Maria Gertrudis de Sosa, daughter, 4 years old
Pedro de Sosa, son, 2 years old
In 1803, he purchased Camargo 40 from Juan Bautista Villarreal for 40 pesos. Juan Bautista Villarreal sold his porcion to two sons and two sons-in-law of the neighboring grantee, Domingo Cristobal de Sosa. Camargo Protocols, p.320