Sangwan or sangwa is a clan or gotra of Jats found in Rajasthan, Haryana and Western Uttar Pradesh in India. The Sangwan clan is also settled in Punjab and Sindh in Pakistan. The present name of Sangwan Gotra comes from Raja Sangram Singh (Sangu) who came to Charkhi Dadri area in Haryana from Ajmer in Rajasthan after a long war between old Kshatriya Jat Aryans and the newly formed Rajput Kingdoms of Rajasthan.
The Sangwan Jats ruled from Sarsu in Jangladesh region of Rajasthan from 8th to 10th century. Jangladesh corresponds with the princely state of Bikaner. The chronology of thirteen Sangwan rulers of Sarsu state is as under:
The last king of the above rulers Lahar or Lahari Raja came to Ajmer after a long fight with Rajputs in the Marwar area. Thereafter, their title changed to Rana in Ajmer. There is one town "Lahar" in Bhind district of Madhya Pradesh. Surname Rana and Lahari are found in this part of Madhya Pradesh. The kingdom name was Lahadi in the name of Raja Lahari. The present name is village Lihdi near Ajmer. Sangwan Jats ruled here for nine generations. Last king of this clan in Ajmer area was Sangram Singh or Sangu. He left the land Ajmer-Merwara and came to Dadri area in 1540-45 AD during the rule of Shersah Suri. Raja Sangram Singh was a brave king. He bought horses from Arab and Kabul. He married 3 times - his first marriage was in Sheorayan Gotra Jats and third to a Baloch girl in Afghanistan.
Today there are forty Sangwan villages in Dadri area. Sangwans are well known for many other wars including ones with the Mughals, British and the Maharaja of Jind.
Village charkhi is head village and sarpanch [headman] of forty villages is chosen from this village only.Sangu dham is created in village Kheri Bura. This place resides between ponds, Dadri loharu road, and Indira canal.This spot is used as a meeting place for forty Sangwan villages.