The Dulo Clan or the House of Dulo was the name of the ruling dynasty of the early Bulgars

Bulgars

The Bulgars were a semi-nomadic who flourished in the Pontic Steppe and the Volga basin in the 7th century.The Bulgars emerge after the collapse of the Hunnic Empire in the 5th century....

.

This was the clan of Kubrat

Kubrat

Kubrat or Kurt was a Bulgar ruler credited with establishing the confederation of Old Great Bulgaria in 632. He is said to have achieved this by conquering the Avars and uniting all the Bulgar tribes under one rule....

 who founded Old Great Bulgaria

Old Great Bulgaria

Old Great Bulgaria or Great Bulgaria was а term used by Byzantine historians to refer to Onoguria during the reign of the Bulgar ruler Kubrat in the 7th century north of the Caucasus mountains in the steppe between the Dniester and Lower...

, and his sons Batbayan, Kuber

Kuber

Khan Kuber was a Bulgar leader, brother of Khan Asparukh and member of the Dulo clan, who according to the Miracles of St Demetrius, in the 670s was the leader of a mixed Christian population of Bulgars, ‘Romans’, Slavs and Germanic people that had been transferred to the Syrmia region in Pannonia...

 and Asparuh, the latter of which founded Danube Bulgaria

Bulgaria

Bulgaria , officially the Republic of Bulgaria , is a parliamentary democracy within a unitary constitutional republic in Southeast Europe. The country borders Romania to the north, Serbia and Macedonia to the west, Greece and Turkey to the south, as well as the Black Sea to the east...

.

A later genealogy

Nominalia of the Bulgarian khans

The Nominalia of the Bulgarian khans is a short manuscript containing the names of some early Bulgar rulers, their clans, the year of their ascending to the throne according to the cyclic Bulgar calendar and the length of their rule, including the times of joint rule and civil war...

 claims that the Dulo clan is descended from Attila the Hun

Attila the Hun

Attila , more frequently referred to as Attila the Hun, was the ruler of the Huns from 434 until his death in 453. He was leader of the Hunnic Empire, which stretched from the Ural River to the Rhine River and from the Danube River to the Baltic Sea. During his reign he was one of the most feared...

. As Kubrat is mentioned in the Orkhon inscriptions

Orkhon inscriptions

"Orkhon inscription" may refer to:*two monuments in the Orkhon valley, see Khöshöö Tsaidam Monuments*inscriptions in the Old Turkic "Orkhon alphabet" in general, see Old Turkic epigraphy...

 and if John of Nikiu

John of Nikiû

John of Nikiû was an Egyptian Coptic bishop of Nikiû/Pashati in the Nile Delta and appointed general administrator of the monasteries of Upper Egypt in 696...

's "Quetrades" is indeed Kubrat

Kubrat

Kubrat or Kurt was a Bulgar ruler credited with establishing the confederation of Old Great Bulgaria in 632. He is said to have achieved this by conquering the Avars and uniting all the Bulgar tribes under one rule....

, it is also likely that they were somewhat related to the Ashina

Ashina

Ashina was a tribe and the ruling dynasty of the ancient Turks who rose to prominence in the mid-6th century when their leader, Bumin Khan, revolted against the Rouran...

 clan adopting its Tamga, though it seems that Dulo not only broke off from the royal Ashina clan, but became totally opposed to it, manifesting it not only in opposition to the Khazar Kaganate headed by an Ashina kagan, but also demonstratively not using the name. The Dulo clan name descends from the Dulo (Tiele

Tiele people

The Tiele or Tele , were a confederation of nine Turkic peoples living to the north of China and in Central Asia, emerging after the disintegration of the Xiongnu confederacy...

.) tribe group, and the Dulo/Ashina opposition was a main cause of the ethnic conflicts that tore apart the Turkic Kaganate, and a little later the Western Turkic Kaganate, bringing about the creation of the Great Bulgaria, and the emergence of Danube Bulgaria

Bulgaria

Bulgaria , officially the Republic of Bulgaria , is a parliamentary democracy within a unitary constitutional republic in Southeast Europe. The country borders Romania to the north, Serbia and Macedonia to the west, Greece and Turkey to the south, as well as the Black Sea to the east...

, Volga Bulgaria

Volga Bulgaria

Volga Bulgaria, or Volga–Kama Bolghar, is a historic Bulgar state that existed between the seventh and thirteenth centuries around the confluence of the Volga and Kama rivers in what is now Russia.-Origin:...

 and Rus kaganate

Rus' Khaganate

Rus' khaganate is a historiographical term for the formative phase of the Rus state in the 9th century AD....

 in the early 800 CE.

Dulo Hill

Dulo Hill

Dulo Hill is a rocky hill rising to 210 m in Dospey Heights on Byers Peninsula of Livingston Island in the South Shetland Islands, Antarctica. Surmounting President Beaches to the south....

 on Byers Peninsula

Byers Peninsula

Byers Peninsula is a mainly ice-free peninsula forming the west end of Livingston Island in the South Shetland Islands. It occupies , and includes the small freshwater Basalt Lake. The area was visited by early 19th century American and British sealers who came almost exclusively from New England,...

, Livingston Island in the South Shetland Islands

South Shetland Islands

The South Shetland Islands are a group of Antarctic islands, lying about north of the Antarctic Peninsula, with a total area of . By the Antarctic Treaty of 1959, the Islands' sovereignty is neither recognized nor disputed by the signatories and they are free for use by any signatory for...

, Antarctica is named after the Bulgarian ruling dynasty of Dulo.

Tamga

The trident tamga of the Dulo clan is the tamga of the Ashina clan, a trident later found in the coat of arms of the Bulgarian and Rus dynasties adopted as the national symbol of the Ukraine and Crimea.

Dulo dynasties

Rulers of Danube Bulgaria

First Bulgarian Empire

The First Bulgarian Empire was a medieval Bulgarian state founded in the north-eastern Balkans in c. 680 by the Bulgars, uniting with seven South Slavic tribes...

 of the Dulo dynasty:

• Asparuh
• Tervel
• Kormesiy
• Sevar
• Telerig