sentences:  Similarly, Madhesi royal clans including Malla themselves and their courtier castes like Kayastha, Hada, Chauhan, Chandel, Vaidhya, Rajput, etc.migrated into Kathmandu Valley in the 14th century and ruled as Malla kings and their nobility, who have since coalesced to form the current Chatharīya (Kshatriya) caste.Historical records also show trading, service, and untouchable clans of the Indian plains immigrating to Nepal Valley along with the entourage of the Maithil and Malla kings, and in due process, becoming Newars themselves.