Bernabe de las Casas was born circa 1573, the son of Miguel de las Casas.
He married Maria Beatriz Navarro.
Marcos de las Casas married Gertrudis de la Vega.
Bernabe de las Casas married Isabel de la Garza.
Maria de las Casas was born circa 1604. She married Juan Alonso Lobo Guerrero.
Beatriz de las Casas was born circa 1604. She married Diego de Villarreal.