Toribio, I've posted your family tree on ancestry.com. Go to family tree, put in the name of Simon Caldera or Martina Acuna and it will give you their lines as I have them. If you'd like any other names I'd be happy to give you what I have in my files. We are from the same families. My Castanon/Caldera gr-grandparents left Durazno in 1916 when my gr-grandfather Vicente Castanon was tied to an ox-yoke to be shot by the federales. My family went to the Fresno and Stockton California areas. Hope to hear from you.