He agreed to send his younger brother, Béla, to Constantinople and to allow the Byzantines to seize Béla's duchy, which included Croatia, Dalmatia and Sirmium.
Ia setuju untuk mengirim adiknya, Béla, ke Konstantinopel dan membiarkan Bizantium merebut kadipaten Béla ini, yang termasuk Kroasia, Dalmasia dan Sirmium.