Bulan was the E-B405 was a king of the Khalyzians in Greater Dacia and a descendant of the House of Aba. He was converted to Judaism by Yitzhak Sangari in 740 and took the name Sabriel. Many of his Judaic Khalyzians were buried in Chelarevo when Maurot's Slovi began to expand. Bulan's descendants retreated to rule over the Khalyzians independently from Old Halychyna until 1084.

The Bulanid Judaic Kings of the Cozar People in Old Halychyna became a completely independent nation under their own line of rulers from the non-Jewish Ashina Khazar Khagans of Taurian-Khazaria. The known lineage of Bulanid Khagans of the Cozar People in Greater Halychina is:

Sabriel c.740

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

882 The Kiabar Jews of Kopyriv Kinets' from the Polan portion of the Cozar People who had split with the Kara-Khazars under Khan-Tuvan Dyggvi are conquered by the Rurikids.

896 Bulan's people assisted in the restoration of Hungary before being hung out to dry.

907 Carpats & Dulevi support Oleg of Novgorod's raid on Byzantium.

Joseph 950s-960s

981 Northern parts of Old Halychina are conquered by Vladimir the Great.

1084 Premyshl and Terebovina are conquered.