Ruy Díaz Marín de Mendoza

"México, Distrito Federal, registros parroquiales y diocesanos, 1514-1970", index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/QJ8Y-188W : accessed 29 January 2015), Luis Marin in entry for Ma Fan Sornita Marin de Mendon, 1544. ... Name: Rui Diaz (corrected from the original record); Event Type: Baptism; Event Date: 11 Aug 1544; Event Place: Asunción Sagrario Metropolitano, Centro, Distrito Federal, México; Gender: Male; Father's Name: Luis Marin; Mother's Name: Maria de Mendoza (corrected from original record)

See a photograph of Ruy's original baptismal record [left page, 2nd entry from top] here: https://familysearch.org/pal:/MM9.3.1/TH-1-9758-16101-95?cc=1615259

See a photograph of Ruy's original baptismal record in his profile's "Media/Documents" section.