Notes for MARGARITA SALDIVAR-DE-SOSA: Descendent of the Onate Family of Zacatecas.
Mil Familias III, by Rodolfo Gonzalez de la Garza. Page 99
A.K.A. Margarita de Sosa

Marriage Notes for DIEGO DE AYALA-TREVINO and MARGARITA SALDIVAR-DE-SOSA:
Index to the Marriage Investigations of the Diocese of Guadalajara, by Raul J. Guerra., Nadine M. Vasquez, Baldomero Vela, Jr. Page 269.
Mil Familias III by Rodolfo Gonzalez de la Garza. Page 326