Krishnaut or Kishnaut Ahir (also known as Vrishnivanshi) is a clan of the Yadav (Ahir) caste found in Uttar Pradesh, Bihar, Jharkhand, Nepal and other parts of the Indian state . The term Krishnaut denotes their descent from Lord Krishna.
 
Majority of Yadavs were peasants with landholdings in the Northern and Central parts of India, a small segment of the community had taken over land in the newly reclaimed portion of Eastern Bihar (Purnea and Saharsa) to become big landowners.

Origin and history
The Krishnaut subcaste of Yadav's a name which to them denotes descent from Lord Krishna. Krishnaut is a clan of ancient Yadava, who are to be the descendants of Shri Krishna.

List of Kingdom and Estate
In Bihar, Nepal and Jharkhand there were many rulers and zamindars belonging to Ahir (Yadav) caste. The Ahir zamindars were predominantly found in northern and eastern parts of Bihar. Most of them belonged to Krishnaut and Majhraut clans of Ahir.
Kishnaut Ahir Jagirdars Or Zamindars of Parasadi Estate and Parsauna (Saran) Ruled 16th century To Independence 
Ahir chief of Ruidas-Patna.
Daso Ahir, Ahir raja of Bihiya, Bhojpur
Raja Arganu Singh Yadava, Patna
Gosaipur Darbar
Jagatpur Estate, Naugachia
Rahimapur Estate Of Hajipur.
Dudhiya Darbar, Darbhanga
Kanheli Estate, Araria

Khorasen Jagir Of Saharsa.

Culture
Krishnaut people worship Bir Kuar, Bakhtaur Baba as their deity. They sing Lorikayan in Bihar. Krishnaut Yadavas never sell milk, ghee, or butter and to a large extent, they became cultivators.

Distribution and titles

Distribution
Krishnaut numerically exceed other sub-caste in the diara land of Patna, Saran and Vaishali district of Bihar.

Title
The titles generally used by Krishnaut and other sub-caste of Ahirs in Bihar are Yadav, Raut, Gope, Ray/Rai/Roy, Mandal, Prasad, Singh, etc.

Notable persons
Bir Kuar, a god of Krishnaut Ahir.
Karu Khirhar, a folk god.
Bakhtaur Baba, a folk god.
Ranjit Singh Ahir,  commander of rebel Army of Bairakpur divisionIndian Rebellion of 1857.
Bishu Raut, a folk God of Kosi division and Bhagalpur district of Bihar. 
Badri Ahir, a freedom fighter.
Akshyatwat Rai, a freedom fighter. 
Jiriyawati Devi, a brave women freedom fighter who killed 16 english soldier.
Narsingh Gope, a freedom revolutionary and Zamindar of Govindpur.
Jiyalal Mandal, a freedom fighter and politician.
Daroga Prasad Rai, Ex-Cm of Bihar.
Ram Lakhan Singh Yadav, a politician.
Ram Jaipal Singh Yadav, a freedom fighter and 3rd Deputy Chief Minister of Bihar.
Uday Narayan Rai, a politician.
Hukumdev Narayan Yadav, a Former Union Minister of Cabinet Textile and food processing and recipient of Padma Bhushan, India's third highest civilian award
Nand Kishore Yadav, Currently MLA of Patna Sahib Assembly consecutive seven time former Leader of opposition Bihar Assembly.
Nityanand Rai, a leader of BJP, Currently  Minister of State in the Ministry of Home Affairs.
Dinesh Chandra Yadav, currently Member of Parliament from Madhepura and former minister of Bihar Government.
Surendra Prasad Yadav, a popular Politician, currently Co- operative minister of Bihar Government. 
Dr. Ramanand Yadav, currently Minister in Bihar Government. 
Jitendra Kumar Rai, currently Minister Of Bihar Government.
Kunal Singh, first superstar of Bhojpuri cinema.
Corporal Jyoti Prakash Nirala, posthumously awarded the Ashoka Chakra, India's highest peacetime military decoration in January 2018
Naik Ganesh Prasad Yadav, Veer chakra, kargil war 1999.
Captain Ashutosh Kumar, posthumously awarded the Shaurya Chakra

See also
Bihari Ahir
Majhraut
Sadgop
Phatak

References

Clans