Mezue ahịrịokwu na-esonụ: Prince Kiril Bagration bụ nwa nke Prince Alexander, nwa nwoke sitere n'aka Eze Jesse nke Kartli. Kiril dị afọ itoolu mgbe Alexander si n'ọnọdụ ndọrọ ndọrọ ọchịchị na-adịghị mma na Kartli gbapụ ma sonyere ndị ikwu ya kwagara Russia na 1759. Kiril na nwanne ya nwoke nke tọrọ ya, bụ́ Ivan, sonyeere ndị agha Russia, dị ka nna ha mere. Kiril debara aha ya na Pskov Carabinier Regiment dị ka onye nche nche na 1767 ma lụọ ọgụ na 1768-74 Agha Russo-Turkish nke ọ kwụsịrị dị ka onye isi. Site na 1776 ruo 1777, o sonyere n'ime ka ndị Crimean Tatars na-edo onwe ha n'okpuru ma mesịa bụrụ onye nnọchi anya ndị isi Crimea n'ụlọ ikpe nke tsarina Catherine nke Abụọ. N'ịbụ onye e buliri n'ọkwa lieutenant-colonel n'afọ 1786, ọ nọ na nnọchibido na ijide Bender n'oge Agha Russia na Turkey nke 1787-92 ma duzie ndị agha na General Wilhelm Derfelden's corps n'oge 1792
mwakpo a wakporo Poland. Bagration ghọrọ onye isi ndị agha na 1793 wee debanye aha ya na Chhuguyevsky Cossack Regular Regiment, nke o so na njem Persia nke 1796. E buliri ya n'ọkwa onye isi ndị agha n'afọ 1797 ma tinye ya n'ọchịchị nke ndị agha jäger, nke e nyere aha ya n'afọ 1798.