Notes for BEATRIZ VILLARREAL-URRUTIA-IZAGUIRRE:
She is listed as a descendent of the Don Alonso, Duke of Estrada in the book, Mil Familias III, by Rodolfo Gonzalez de la Garza. Page 73.
Source on her marriages is from the marriage investigations of the Diocese of Guadajara, Provinces of Coahulia, Nuevo Leon, Nuevo Santander, Texas.
Index to Marriage investigations Diocese of Guadalajara Page 283

digidal copy of birth record thanks to Edward Serros