Miguel Saenz was born circa 1712, the son of Diego Saenz and Theodora Garcia.
He married Maria Gertrudis (Gerarda) Hinojosa.
Maria Ignacia Saenz married Jose Antonio Sandoval.
Juan Francisco Saenz was born circa 1727. He married Maria Teresa Peña. He owned Mier 7.
Gregorio Saenz was born circa 1743. He married Maria Margarita Gonzalez. He owned Mier 74.
In 1767 he was granted Mier 73 by the King of Spain. There was an improved rancho at the site.