The main source of information on Don Carlos is the record of his inquisition trial, published in 1910 by the Mexican archives.
[4] Don Carlos was a grandson of the famous Texcocan ruler Nezahualcoyotl through his son Nezahualpilli.
The Oztoticpac Lands Map has been linked to another indigenous pictorial, the Humboldt Fragment VI held by the Berlin State Library.
One of the most interesting and important features of the map is depictions of fruit trees, both European and local, many of them grafted.
Pears, quince, apple, pomegranates, peaches, and grapevines are shown Income from the sale of fruit would have increased the value of the property.