Maharaja महाराजा
Kings who founded Gotras
Kings whose descendants keep their name as a Gotra. Most families trace their Gotra to a Rishi; these trace it to a king.

Agrasena
अग्रसेन
Maharaja Agrasena, in Agrawal tradition a Suryavanshi king, founded the city of Agroha in today's Hisar district of Haryana.
Suryavansha

Ikshvaku
इक्ष्वाकु
Ikshvaku, son of Vaivasvata Manu, is the first king of Ayodhya and the founder of the Solar dynasty, which is also named after him.
Suryavansha

Raivata
रैवत
Raivata Kakudmi was a king of Kushasthali, the city later rebuilt as Dwaraka.
Kushasthali