Pedzisa mutsara unotevera: Theophylact Botaneiates inongotaurwa munhau yaJohn Skylitzes yegore ra 1014, panguva yaMambo Basil II
hondo dzinorwisana 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.