Kunwar Tara Singh, sometimes styled as Shahzada, was the younger of the twin sons of Maharaja Ranjit Singh, founder of Sikh Empire and his first wife Maharani Mehtab Kaur. His elder twin brother was Maharaja Sher Singh, who briefly became the ruler of the Sikh Empire from 1841 until his death in 1843. British sources imply he was impotent and an "imbecile".