Attested in The History of the Country of Albania, he was mentioned as a bishop of Gardman during the tenure of his predecessor Eghiazar.
[1] A long proponent of Chalcedonian Christianity, the clique wanted to achieve political and religious independence of Albania through alliance with Byzantine Empire.
[1] As part of reforms, he appointed his Chalcedonian ally Zakʿaria as bishop of Greater Arran bishopric (Old Armenian: Մեծ Առանք, romanized: Mec Aṙankʿ), succeeding previous Miaphysite bishop Yovēl.
[1][4] Nerses' reforms in church alarmed Elias I (703–717), the Armenian Catholicos to intervene and apply to Caliph Abd-al-Malik.
[5] Elias accused Nerses and Spram of swearing alliance to Byzantines and plotting against the Umayyad Caliphate.