Malamir became ruler of Bulgaria in 831 on the death of his father Omurtag, because his older brother Enravota (Voin) had forfeited his right to the succession by becoming a Christian.
Malamir succeeded his father Omurtag as ruler of Bulgaria in 831, following the relinquishment of his claim by his older brother Enravota (Voin) due to his conversion to Christianity.