 In the group led by Captain Blas Maria de la Garza Falcon were Miguel de la Garza Falcon, his brother, and Nicolas de los Santos Coy, father-in-law of Captain Falcon and ex-alcalde of nearby Cerralvo Municipality in Nuevo León.These settlers were men of wealth who felt a need to risk all for greater gain.The town had already been laid out on the eastern bank of the San Juan River, not far from the Rio Grande, and temporary shelters made, jacales (straw huts).