Sirdar Ram Singh OfIsapuria, was son of Bhagat Singh, descended from the Tsapur branch of the Randhawa Jat family founded by his grandfather Chaudhary Dasaundha Singh , on receiving the Sikh initiatory rites in 1730, entered the service of Adina Beg and remained with him for several years before joining the Bhangi Misl. Ram Singh took up service under Maharaja Ranjit Singh about the year 1804. In recognition of his services in different campaigns, he was granted jagirs in 1818 to the value of five lakh of rupees, subject to the service of seven hundred horse and two thousand infantry. In 1822, Ram Singh was placed under Maharaja Kharak Singh Of Lahore and two years later he was shifted to Raja Suchet Singh`s division. Ram Singh died in 1836.
- L.H Griffin, and C.F.Massy, Chiefs and Families of Note in the Punjab. Lahore, 1909 G.S.N.