It is almost certain, however, that Thomas could count on support among the empire's Caucasian neighbours, for the presence of Abasgians, Armenians, and Iberians in his army is mentioned in the near-contemporary letter of Michael II to Louis the Pious.
Hal ini Hampir pasti, bagaimanapun, bahwa Tomaž dapat mengandalkan dukungan di antara tetangga Kaukasia kerajaan, karena kehadiran Abasgia, Armenia, dan Iberia dalam pasukannya disebutkan dalam surat hampir kontemporer Mikhael II ke Ludwig yang Saleh.