Beatriz de las Casas was born circa 1604, the daughter of Bernabe de las Casas and Maria Beatriz Navarro Rodriguez.
She married Diego de Villarreal.
Cristobal de Villarreal married Micaela de Treviño, Ildefonsa Martinez Guajardo.
Juan de Villarreal married Juana de la Garza.
Francisco de Villarreal married Ursula de Isaguirre (Urrutia).
Bernabe de Villarreal was born circa 1635. He married Maria Isabel de la Garza.