Boris II was the eldest surviving son of Emperor Peter I of Bulgaria and Maria (renamed Eirene) Lekapena, a granddaughter of Emperor Romanos I Lekapenos of Byzantium.
His father was Peter I of Bulgaria.
His father was Peter I of Bulgaria.
이 텍스트를 단순화: Boris II was the eldest surviving son of Emperor Peter I of Bulgaria and Maria (renamed Eirene) Lekapena, a granddaughter of Emperor Romanos I Lekapenos of Byzantium. 산출: