Her father was Pedro Flores de Abrego, and her mother was Margarita de la Garza.
She married Diego Gutierrez de Castro, son of Diego Gutierrez de Castro and Juana Francisca Ayala de Ovalle on 30 Jul 1673 in Monterrey.
Ignacio Gutierrez. He married Josefa de Arellano, daughter of Nicolas de Arellano and Lucia de la Garza.
Margarita Gertrudis Gutierrez de Castro, baptized 23 Jun 1675 in Monterrey. She married Joseph Martinez Guajardo, son of Joseph Martinez Guajardo and Nicolasa de la Garza de la Rocha on 20 Sep 1693 in Monterrey.