Little Lord Fauntleroy (1980)

The enchanting story of a small boy who inherits an earldom

Young Cedric Errol and his widowed mother live in genteel poverty in 1880s Brooklyn after the death of his father. Cedric's grandfather, the Earl of Dorincourt, has long ago disowned his son for marrying an American. But after the death of the Earl's remaining son, he decides to accept Cedric as his heir.