Henry Eastman Chamberlin, b. 28 May 1854 in Newbury, Orange County, Vermont, d. 21 Dec 1929 in Concord, Merrimack County, New Hampshire, son of Charles Chamberlin & Ruth Eastman. He married Mary Emily Livengood on November 23, 1875 in Darke County, Ohio. (Descendant (maternal side) of Roger Eastman, the founder of the family in America)
Henry Harmon Chamberlin, b. 7 Jan 1813 in Hardwick, Worcester County, Massachusetts, d. 11 Jan 1899 in Worcester, Worcester County, Massachusetts, son of Harmon Chamberlin & Arethusa Hinckley. He married Charlotte R. Clarke on August 4, 1839 in Uxbridge, Worcester County, Massachusetts.
Henry Harmon Chamberlin, b. 15 Jun 1845 in Worcester, Worcester County, Massachusetts, d. 12 Jul 1864 in Boston, Suffolk County, Massachusetts, son of Henry Harmon Chamberlin & Charlotte R. Clarke.
Horace Elliott Chamberlin, b. 20 Nov 1834 in Newbury, Orange County, Vermont, d. 4 Jun 1908 in Concord, Merrimack County, New Hampshire, son of John Elliott Chamberlin & Laura Willard. He married Nellie M. Putnam on March 31, 1880 in Laconia, Belknap County, New Hampshire.