She was born circa 1729. Her father was Jose Jacinto de la Peña, and her mother was Ana Maria Guajardo. Her mother owned Mier 48 grant.
She married Juan Francisco Saenz, son of Miguel Saenz and Maria Gerarda Hinojosa. He owned Mier 7 (tract). His father owned Mier 73 grant.
Jose Felipe Saenz, born 1761. He married Maria Isidra Flores, daughter of Bartolome Flores and Maria Rita Vela on 2 Sep 1782 in Mier.
Juan Francisco Saenz, baptized 20 Oct 1767 in Mier. His padrino was Dn Jose Luis Lopez, and his madrina was Da Ana Polonia Lopez (sister). He married Maria Agustina Garcia, daughter of Joaquin Garcia and Rosalia Salinas on 21 Nov 1791 in Mier.
Maria Gertrudis Saenz, baptized 19 Oct 1769. She married Jose Santiago Hinojosa, son of Manuel Hinojosa [Jr.] and Juana Sanchez on 16 Jan 1786.
Maria Josefa Saenz, baptized 10 Nov 1771. She married Jose Marcelino Hinojosa, son of Manuel Hinojosa [Jr.] and Juana Sanchez on 10 Jan 1786.
Jose Antonio Saenz, born 1775.
Jose Francisco Saenz, baptized 19 Jun 1779. He married Maria Caterina Barrera, daughter of Ignacio Barrera and Manuela Flores on 23 Nov 1801 in Mier.
Jose Gabriel Saenz, baptized 27 Mar 1786.
In 1782, she lived in San Pedro de las Flores in household number 74. The church census recorded that she was married, española, and 49 years old. Her household included 9 people:
Juan Francisco Saenz, married, español, age 53.
Maria Teresa Peña, married, española, age 49.
Jose Felipe Saenz, a youth, español, age 19.
Jose Gabriel Saenz, a youth, español, age 18.
Juan Francisco Saenz, a child, español, age 14.
Maria Gertrudis Saenz, a child, española, age 11.
Maria Josefa Saenz, a child, española, age 9.
Jose Antonio Saenz, a child, español, age 7.
Jose Francisco Saenz, a young child, español, age 3.
She died on 6 Dec 1819. She was 90 years old.