Bhimsen Thapa was the mukhtiyar of Nepal from 1806 to 1837.
Bhimsen Thapa was born in August 1775 at Pipal Thok village of Borlang in Gorkha district, to father Amar Singh Thapa and mother Satyarupa Maya. His grandfather was Bir Bhadra Thapa, a courtier in Prithvi Narayan Shahs army. Bhimsen Thapa had four brothersNain Singh, Bhaktawar Singh, Amrit Singh, and Ranbir Singh. From his stepmother, he had two brothersRanbam and Ranzawar. While it is not certain when Bhimsen got married, he had three wives with whom he begot one son, that died at an early age in 1796, and three daughters Lalita Devi, Janak Kumari and Dirgha Kumari. Lack of a son caused him to adopt Sher Jung Thapa, son of his brother Nain Singh Thapa.
Source: Wikipedia