His father was Capt. Nicolas Flores de Abrego, and his mother was Juana Gertrudis de Farias Garcia.
He married Josefa Fernandez de Castro, daughter of Capt. Diego Fernandez de Castro and Maria de la Cerda.
Antonia Flores de Abrego. She married Nicolas de Aguirre, son of Nicolas de Aguirre and Jacinta Gonzalez de Paredes.
Maria Clara Flores de la Cerda, born 1635. She married Francisco Baez de Benavides Martinez, son of Francisco Baez de Benavides Lopez and Isabel Martinez Guajardo Navarro.