The following data is extracted from Dublin, Cheshire County, New Hampshire History.
Samuel Derby, a native of Hollis, N. H., came to this town when he was twelve years old. He married three times, first to Lois Twithell, second to Betsey Knowlton and third to Ruth Perry. Only two of his ten children are now living, viz.: Betsey Jane, of Minnesota, and Dexter, of this town. The latter married Julia, daughter of Jonas Brooks and Julia (Greenwood) Piper, and has two children. Samuel C. and Emily e. He now occupies the homestead farm on road 45.
Source: Dublin, Cheshire County, New Hampshire History