Kubrat

Kubrat (Xubraat, Qubrat, Qobrat; Greek:Kούβρατος, Κοβρāτος; Bulgarian:Кубрат; Turkic qobrat/quvrat, "to gather") was the Bulgars ruler credited with establishing the confederation of Old Great Bulgaria in c. 635 AD. In the Nominalia of the Bulgarian khans Kubrat is mentioned as Kvrt, and the descendant of the Dulo clan.