This valuable source is engraved on the upper flat surface of a 2-ton marble tombstone inside the Gumbazi Sayyidan mausoleum. It is a genealogy, a significant source for the genealogy of the Sayyids. Currently, this is the oldest version of the genealogy of a descendant from the Termez Sayyid family (descendants of the Prophet), arousing great interest in many people.
NOTE: The Gumbazi Sayyidan mausoleum in Shakhrisabz, reminiscent of the Shahi Zinda in Samarkand, is described as the "Blessed Family" mausoleum.
You can learn more about the topic in the book-album "Architectural epigraphy of Uzbekistan. Kashkadarya, Shakhrisabz" of the series "Architectural epigraphy of Uzbekistan".

