What is "sahmal"

Sahmal ,Sanbhal or Sahmbhal is a Jutt clan found mostly in Punjab of Pakistan and to a lesser extent Sindh and Indian Punjab. Most Sahmals are Muslim. In Pakistan they are in Chiniot , Jhang, Faisalabad, Nankana Sahib, Hyderabad, Sargodha, Sheikhpura, Chak Jhumra, Rahim Yaar Khan, Sahiwal, Mianwali, Hafizabad, Vehari, Multan, Tandlianwala, Jaranwala, Bahawalnagar and more. In India they are in Rohtas of Bihar and some villages in Punjab state.