Mezue ahịrịokwu na-esonụ: Ọ bụ nwa nwoke nke atọ nke Ivan Vladislav na Maria. O nwere ụmụnne nwoke abụọ tọrọ ya, bụ́ Presian na Alusian, nakwa ụmụnne nwoke atọ tọrọ ya, na ụmụnne nwanyị isii. Mgbe ọnwụ nke Ivan Vladislav n'ọnwa Febụwarị nke 1018, ndị Bulgaria guzogidere ndị
mwakpo nke eze ukwu Byzantine Basil nke Abụọ () dara, Aaron na ụmụnne ya ndị nwoke abụọ gbara ọsọ gbaga n'Ugwu Tmoros na Tomornitsa. Basil ji ndị agha gbaa ugwu ahụ gburugburu, ụmụnne atọ ahụ mesịkwara nyefee onwe ha, mgbe ha natasịrị nkwa maka nchebe ha. Presian natara aha dị elu nke "magistros" (na-atụ aro na ọ bụ nwa nwoke nke okenye, na onye nketa nna ya)), ebe Alusian na Erọn natara aha dị ntakịrị ala nke "patrikios". Presian mechara tinye aka na nkata iji weghara ocheeze site n'aka Emperor Emperor Romanos III Argyros na 1040, nke mere ka o kpuo ìsì ma chụga ya na ebe obibi ndị mọnk, na nwanne ya nwoke nke abụọ, Alusian, tinyere aka na nnupụisi dara ada nke Peter Delyan na 1040, na-eweghara onye ndu ya tupu ọ rara ya nye ndị Byzantines.