His father was Bernardo de los Santos Coy, and his mother was Maria Ines de la Cerda. He died on 25 Oct 1676 in Saltillo.
He married Juana Cepeda de la Fuente, daughter of Ambrosio de Cepeda Caballero and Juana de la Fuente Martinez.
Diego de los Santos Coy. He married Maria de Farias Aguirre, daughter of Joseph de Farias and Ynes de Aguirre.
Juana de los Santos Coy. She married __ de Leon.