Analysis of information sources in references of the Wikipedia article "Gopal Hari Deshmukh" in English language version.
The ' Deshmukh's ' were 'Chittapavan' Brahmins, originally residents of Konkan, known by the surname " Sidhaye ', but Vishwanathpant, father of the great-grand-father of Gopalrao who had the 'Deshmukhi' of twelve villages, earned the name 'Deshmukh', and thereafter, all his descendants began to be known as 'Deshmukh' instead of 'Sidhaye'.
His[Deshmukh's] family of Chitpawan Brahmans, one of the greatest beneficiaries of the Peshwa regime...