He had been brought up in the expectation of becoming the heir of John Rolle , 1st Baron Rolle ( 1750 - 1842 ) , of Stevenstone , who died childless .
Was his great - grandmother 's nephew .
He had been brought up in the expectation of becoming the heir of John Rolle , 1st Baron Rolle ( 1750 - 1842 ) , of Stevenstone , who died childless and was his great - grandmother 's nephew .