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Sierra de Pinos: Juan Diaz de Leon “El Viejo”

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By jrefugioghermosillo - Posted on 13 February 2016

Hola primos y primas,

I descend from Juan Diaz de Leon “El Viejo” and Francisca de Ortega, through their son, Juan Diaz de Leon “El Mozo,” and his marriage to Jacinta Martin de Sotomayor. From them, I descend from 2 sons: Jacinto Diaz, m. Sebastiana Gil, and Joseph Diaz, m. Antonia Delgadillo, the 2 lines reconnecting with the marriage of their grandchildren, Andres Diaz de Leon-Duron and Maria Estefania Carrillo-Diaz de Leon.

Recently, I came upon some notary records, which might establish when this family first settled in Sierra de Pinos. I thought I might share them here, for review and discussion.

First, though I have later generations well-documented, I don’t have a hard fix on the first. According to Don Jaime Holcombe, in his Varias Cartas (p. 171), Juan Diaz de Leon and Francisco Ortega had seven offspring:

a. Maria de Ortega, m. Hernan Perez de Mojica. With issue.
b. Pedro Diaz de Leon, b. 1615-1619. Testigo on various IM’s in Pinos, possibly married to Josefa de Santiago, with issue.
c. Juan Diaz de Leon “El Mozo”, m. Jacinta Martin de Sotomayor, md 17 Aug 1648, Pinos. With issue.
d. Antonio Diaz de Leon, b. 26 May 1621, Pinos. (Holcombe)
e. Antonia Diaz de Leon. (Holcombe)
f. Luis Diaz de Leon. (Holcombe)
g. Joseph Diaz de Leon, b. 13 Jun 1630, Pinos (Holcombe); was a testigo 21 Dec 1648, age 20.

I’ve only found records for four (a, b, c & g); would anybody have anything else on this family group?


From 2 IM’s for which he was a witness, we can establish that Juan Diaz de Leon was born around 1580:

10 May 1650 IM for Joseph Gonzalez and Anna de Casteñeda; Juan Diaz de Leon El Viejo (as he’s listed) gave his age as “around 70” (ca. 1580). Left image:

21 Feb 1651 IM for granddaughter, Antonia Perez Mojica and Gines Carrion; his age is given as “over 60” (before 1591). Left image:


In the San Luis Potosi Registros de Minas 1604 Exp 1-5, on 1 Mar 1604, Juan Diaz de Leon files claims on no less that 7 mines, located in Pinos. Credible witnesses present were Jorge Leal, Diego Delgado and Maria Fernandez Pinto. Other miners/individuals named are Francisco Gonzalez, Antonio Gutierrez?, Leonor de Segura, Julian de Santa Maria, Diego Camacho, Juan de Morales, Juan Ruiz de Roza, Maria de Ortega, Juan del Campo, Francisco Lopez, Pedro Anrrq.z?, and Juan Dias.

On the same roll, from a document dated 27 Oct 1604, Juan Diaz de Leon registers “a sitio en el Descubrimiento de Nuestra Señora de la Concepcion de Cuzco [de Sierra de Pinos],” with a main house, a compound for Indians, and an ore mill and smelter for his metals; located in la Cieneguilla de las Encinillas, on a water hole, it was bordered by the properties of Jorge Leal, Juliana de Sotomayor, and Julian de Santa Maria.

This is likely when Encinillas became the family seat of the Diaz de Leon, though Juan Diaz was already in the area, previously: found at the General Archives of the Indies in Sevilla, is a map, dated 12 Nov 1603, of a proposed town, “to be founded on the Goleta plains, 4 leagues from the mines of Nuestra Señora de la Concepcion de Sierra de Pinos.” It shows the proposed layout of a town, with streets, a plaza mayor, and lots, assigned to individuals. One of the lots is assigned to Juan Diaz de Leon (one block south of the main plaza).
Código de Referencia: ES.41091.AGI/27.17//MP-MEXICO,51
Archivo General de Indias
Mapas y Planos
Mapas, planos, etc.: México
Planta de la nueva población que se ha de hacer en los llanos de la Goleta, a cuatro leguas de las minas de Nuestra Señora de la Concepcion de Sierra de Pinos.

I hope you find this information useful, and comments, questions and corrections are welcome.

Gracias y Saludos,
Manny Diez Hermosillo

PS & Historical Note: Even though Real de Minas de Sierra de Pinos was in the jurisdiction of Nueva Galicia, during the first decades of the 1600s, residents still had to file in San Luis Potosi, which was in the jurisdiction of Mexico City. This reflects the historical conflict over the jurisdiction of Sierra de Pinos, between the Audiencias in Mexico and Guadalajara, during the first decades of its founding. These are some of the bureaucratic headaches that our ancestors had to deal with!


This is great work. Juan Diaz de Leon is my ancestor too. I wish I knew something to add, but I dont. I was curious though about the witnesses and other property owners in 1604, Diego Camacho and Juliana de Sotomayor and if you think they're related to the Martin Camacho/Martn de Sotomayor family.

Danny C. Alonso

Dear Manny,

Thanks for posting the information. Some members of Antonia Delgadillos family sometimes used Delgado instead of Delgadillo. Do you know if Antonia Delgadillos family is related to the Delgados that you commented about recently?

Thanks again primo,

Rick A. Ricci

Hello, Manny.

Glad to see your interest in San Luis Potosi where I was surprised to find several of my lines (Galvan, de la Cerda, Diaz Infante, Montanez and Marquez to name a few). Here's a link to a research paper that may help you. It covers SLP testaments from 1642 to 1671. It's a summary report and I believe only those persons who died are named. There's a Diaz de Leon. Don't know if he is your line.

From time to time I will add files to my Dropbox GENEALOGY folder. It will be a mishmash of drafts, finished papers, Family Group Sheets, handwritten notes and extractions and just stuff that may help others.

Mary Lou

Hello Danny,

The names Diego Camacho and Juliana de Sotomayor caught my eye, too. I think I've seen Diego Camacho in the San Luis Potosi archives, but I've never seen Juliana de Sotomayor before, that's a new name to me. They may be related to the Martinez de Sotomayor.


I've seen it written "Delgado," too, but I think it's a "typo" or even an abbreviation. I haven't seen a link between the Delgado of Pinos and the Delgadillo of Nochistlan.

Mary Lou,

That is likely the same Juan Diaz de Leon - he did have sons named Juan & Pedro, and he would have died around 1655. I haven't determined whether he had a grandson named Juan de Revolloso, but that should be easily remedied. Great lead, thanks! And thanks for sharing your notes & files - I imagine there is a "silvermine" of information in there!

Gracias y saludos a todos!
Manny Diez Hermosillo

Dear Manny,

Ex President of Mexico Lopez Portillo descends from Diego Ochoa Garibay. There are also connections through my Padilla and Martinez de Sotomayor lines.

I told this information to my sister and she replied that she knew Lopez Portillos brother and knows his family. She also told me that my great aunt married ex president Fox's maternal uncle. I had some information on my second cousins but did not have the connection to Fox in my files. One of My grandmothers half-sisters was my baptismal godmother. Her daughter, Norma is the person who gave me some information on this branch of the family a long time ago, but It did not have connection to Fox, just the name of another great aunts husband, their children and grandchildren.

My oldest sister is not a genealogist, but when I inform her of my research, she has often come up with additional information that is invaluable to my work.

I would like to research more Mexican ex president genealogies. Do you know of any books or sites that will provide more information?
Rick A Ricci

Hi Rick,

I’m unaware of any literature on the genealogies of presidents - it would be fascinating, I’ll ask around, and do some digging.

Manny Diez Hermosillo

Hola primos,

Again, I owe a debt of gratitude to our prima, Mary Lou, for sharing the index of SLP testamentos; with the information given, I was able to locate that of Juan Diaz de Leon “El Viejo,”

Protocolos notariales 1655, vol 2 exp 22-27;
Exp 27, 26 Aug 1655, img55

We now have his parents’ names, and his probable place of origin: Juan Diaz de Leon and Ynes Dominguez de Garfias, vecinos y naturales de la Villa de Ayamonte (Huelva) en los Reinos de Castilla.

He names 6 surviving children, born from his marriage with Francisca de Ortega (who still lived, and who would administer his “bienes”):
Ana de Ortega
Maria de Ortega
Francisca de Ortega
Pedro Diaz de Leon
Juan Diaz de Leon
Fray Antonio Diaz de Leon (del Orden de ????? Anyone?)

All 3 daughters were married, and all of his children were over the age of 25 (born before 1630). As mentioned in the index, his children were his heirs, and albaceas were his son, Juan Diaz de Leon, and grandson, Juan de Rebolloso, vecino del Cerro de San Pedro (probably the same Juan de Rebolloso mentioned in RMB’s “Diccionario…” p. 536, as “minero. Estante en el Cerro de San Pedro,” and who would be son of either Ana or Francisca de Ortega, since Maria de Ortega married Hernan Perez de Mojica).

According to Holcombe’s “Cartas,” Juan Diaz and Francisca de Ortega baptized Joseph Diaz de Leon, 13 Jun 1630, in San Matias, Pinos. I believe this is him, as a testigo on the 21 Dec 1648 IM of Cristobal Garcia and Ysabel Mendoza; his age is given as 20 years. What a beautiful signature he had!:

He apparently died before Aug 1655, since he’s not listed as an heir.

So, all of the Diaz de Leon in SLP and Nueva Galicia descend from Pedro and Juan “El Mozo,” respectively, in accordance with family lore.

Manny Diez Hermosillo


This is great information. Does it mention the names of Francisca Ortega's parents?

Danny C. Alonso

Dear Manny,

Congratulations on this find. What wonderful news to extend this family to Huelva. Finding Juan Diaz El Viejo de Leons parents, juan Diaz and Ynes Dominguez de Garfias now brings the ancestral search to Spain. I have spent most of my research lately on researching family lines on the Iberian peninsula and southern France.

Dear Mary Lou,

Thanking you very much for providing the resources for Mannys research.

Rick A. Ricci

Thanks for your work and to Mary Lou for her solid foundation of information, it has advance many of our family trees

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