He was born circa 1727. His father was Jose Jacinto de la Peña, and his mother was Ana Maria Guajardo. His mother owned Porción 48, Mier. In 1750, he lived in Camargo. The census recorded that he was the son of a settler, and 22 years old. His household had 6 people, and they did not receive government aid to move to the colony. In 1757, he lived in Mier in household number 17. The church census recorded that he was married to Doña Ana Polonia Lopez de Jaen. He was given the tile "Don". His household included 4 people, including 2 children. He had arms, 10 tame horses with a herd of 60 horses, 5 mules, 3 donkeys, 1 yoke of oxen, 20 cattle, and 600 small livestock. In 1782, he lived in Mier in household number 41. The church census recorded that he was married, español, and 55 years old. His household included 7 people. He owned Porción 33, Mier.
He married Ana Polonia Lopez, daughter of Miguel Lopez and Ana Maria Hinojosa in 1752. He was 25 years old, and the bride was 19 years old.
Maria Gertrudis Peña. She married Benito de la Garza Falcon, son of Francisco de la Garza Villarreal and Maria Rita Hinojosa on 3 May 1778 in Mier.
Jose Antonio Peña, born 1758. He married Maria Petra Garcia, daughter of Gaspar Garcia and Maria Gertrudis de la Barrera on 29 Jan 1779 in Mier. He owned Los Magueyes de Palo Blanco grant.
Jose Bernardo Peña, born 1759. He married Maria Balvina Garcia, daughter of Gaspar Garcia and Maria Gertrudis de la Barrera on 29 Jan 1779 in Mier.
Maria Josefa Peña, born 1762. She married Jose Cosme de la Garza, son of Juan de la Garza and Maria Gertrudis Chapa on 16 Jul 1780 in Mier. She married Juan Jose Treviño, son of Diego Treviño and Lucrecia Rodriguez on 26 Feb 1794 in Mier.
Francisco Peña, born 1763. He married Francisca Javiera Canales, daughter of Jose Antonio Canales and Ana Josefa de la Garza on 31 Aug 1783 in Cerralvo.
Jose Marcelino Peña, born 1767. He married Maria Feliciana Hinojosa, daughter of Gervacio Hinojosa and Teresa Treviño on 7 Jan 1789.
Juan Jose Guillermo Peña, born 1772. He married Maria Francisca Garcia, daughter of Gaspar Garcia and Maria Gertrudis de la Barrera on 15 Feb 1790.
Porción 33, Mier