He was born circa 1629. His father was Francisco Baez de Benavides Lopez, and his mother was Isabel Martinez Guajardo Navarro.
He married Maria Clara Flores de la Cerda, daughter of Bernardo Flores de Abrego and Josefa Fernandez de Castro y de la Cerda.
Francisco Baez de Benavides Flores, born 1655. He married Juana Vela Ortiz, daughter of Francisco Vela Rocha and Maria Ortiz Sanchez.
Joseph Baez de Benavides Flores, born 1669. He married Francisca Cervera, daughter of Gabriel de Cervera and Maria de Longoria Rodriguez.
Maria Inez Baez de Benavides, born 1680. She married Jose Nicolas Chapa, son of Juan Bautista Chapa and Beatriz de Olivares Treviño in 1710.