#dulo clan
- Asparuh — A legendary ruler (khan) of the proto-Bulgars from the Dulo clan, recognized as the structural and political founder of the First Bulgarian Empire in 681; following the dissolution of Old Great Bulgaria, he led the migration of a branch of his people toward the Danube, allying with local Slavic tribes and forcing the Byzantine Empire, after the Battle of Ongal, to recognize the new state.