In the year 1627, two elders from a village with 20 households from the Shubut Confederation,[a] Lavarsan Yazyev and Zatyn Lavarsanov (apparently father and son) took an oath on the Quran in the Terki Fortress (As Terki was the Russian "capital" of the Caucasus at that time) to Tsar Mikhail I to remain loyal to the Tsardom of Russia, not attack Russian settlements and give 4 kuly (approx.
[1][2] Despite that however, a year later, on the 28th of September 1628, two men from the Shatoy tribe by the names Araslan and Deki, together with 30 fighters, launched an assault on the Cossack town of Koshlakov.
[1][2] Although the Shatoy people had violated their oath, Russian authorities urged the Terki administration not to respond with force and instead try to get the hostages back by negotiations.
[1] Additionally, according to the report, Lavarsan and Zatyn had also broken their oath, as they did not pay the agreed annual tribute and also conducted attacks on Russian and Cossack settlements.
In the current year, 137 (1629 AD),[d] on October 4th, from the Terek, from the town of Koshlakov, came the Greben Cossack Ivashko Grigoriev Sadovnikov, sent by Ataman Kuzemka Lukovka.