His father was Alferez Nicolas Lozano, and his mother was Juana de la Garza.
He married Maria Teresa Gonzalez de Ochoa, daughter of Diego Gonzalez de Ochoa and Ana Caballero.
He married Maria Petra Gomez de Castro, daughter of Antonio Gomez de Castro and Maria Nicolasa Treviño. It was his second marriage.
Juana Maria Lozano. She married Ignacio Garcia Davila, son of Joseph Garcia and Josefa Peñalosa.