His father was Jose Nicolas Martinez, and his mother was Maria Francisca Gutierrez de Lara.
On 13 Apr 1795, he requested a dispensation to marry Ana Francisca Chapa due to 4th degree consanguinity. They were married on 3 May 1795 in Revilla. the bride was 16 years old. Her father owned land in Porción 58, Mier.
Josefa Martinez. She married Mauricio Gonzalez, son of Vicente Gonzalez and Petra Ramos on 10 Jan 1827 in Mier.
In 1852, as the son-in-law of the original grantee, he applied for confirmation Mier 58 from the State of Texas.