Nyora kupfuurira kweiyi ndima - Theophylact Botaneiates inongotaurwa munhoroondo yaJohn Skylitzes yegore 1014, panguva yehondo dzaMambo Basil II neBulgaria
. Mugore iroro, kana kuti nokukurumidza pamberi pacho, akagadzwa gavhuna ("doux") weTesaronika somutsivi waDavid Arianites. Mugore iroro, Mambo Basil II akanga achirwisa nzvimbo dzeBulgaria muKlyuch (Kleidion muchiGiriki). Kuti atsause ngwariro yake, mambo weBulgaria Samuel akatumira uto guru pasi paNestoritsa akananga kuTesaronika. Botaneiates nemwanakomana wake Michael vakasangana nevaBulgaria ndokuvakunda munharaunda yeguta, pashure pacho akabatana neuto guru reumambo.