The following data is extracted from Genealogy and Biography of Ontario County, New York.
Richard, son of Cephas Sheldon, was born in Vermont and died suddenly while in Canada. He lived most of his life in Waterbury. where his father and aunt and perhaps other relatives settled. He had four sons: Erastus, born June 2, 1810; Charles, mentioned elsewhere; William R., August 24, 1815; David F.. September 24, 1819. William R. was a bachelor, of a roving disposition, and very courageous: he piloted trains over the plains through to California at an early day; he also served as city policeman in Sacramento.
Source: Genealogy and Biography of Ontario County, New York