Reference

The three known rulers of Penjikent during its mural period were:

1. Čamughyan/Gamaukyan, who ruled at the end of the 7th century.
2. Čekin Čur Bilgä, who ruled at the beginning of the 8th century.
3. Dēwāštič, who ruled until 722.

These rulers are known from the murals and historical records, providing insight into the history and culture of Penjikent during this period. For more detailed information, you can refer to the Wikipedia page on Penjikent murals.