Bulan was the E-B405 Cozar descendant of Batbayan-Bezmer. He was converted to Judaism by Yitzhak Sangari in 740 and took the name Sabriel. He made an alliance with Byzantium against Bulgaria and many of his men were buried in Chelarevo while helping Leo IV the Khazar. His descendants eventually joined the Kouver-Cozar secession as the Kiabar Jews of Kopyriv Kinets' who had split with the Kara-Khazars and assisted in the restoration of Hungary before being hung out to dry.

The Bulanid Jewish Kings of the Cozar people in West Ukraine were a completely independent line of rulers from the non-Jewish Ashina Khazar Khagans of Khazaria. The known lineage of Bulanid Khagans in Ukraine is:

Sabriel

Obadiah

Hezekiah

Manasseh I

Hanukkah,

the brother of Obadiah; next (814-?)

Isaac, his son; afterwards (?-835)

his son Zebulun

then his son Moses-Menasseh

then his son Nisi

then his son Aaron I

then his son Menahem

then his son Benjamin

then his son Aaron II

Joseph 950s-960s

The Gentile Khagans of South Russian Khazaria were: