The two most important Daghestani vassals, the Shamkhal and the Utsmi, controlled the trade route between Russia and the province of Shirvan.
The two most important Daghestani vassals controlled the trade route between Russia. The two most important Daghestani vassals controlled the province of Shirvan. The Shamkhal were the two most important Daghestani vassals. The Utsmi were the two most important Daghestani vassals.