The Clough Genealogy of Blue Hill, Maine is a study into the genealogy of two supposed brothers, Asa and Benjamin Clough. Asa Clough was born at Haverhill, Mass., Aug. 25, 1764; died Jan. 2, 1851, in his eighty-seventh year. He married Abigail Pecker, Nov. 27, 1789. She was born at Bradford, Mass., Nov. 27, 1766, and died March 16, 1854, in her eighty-eighth year. They had a family of ten children, as follows: Daniel, Cheever, Sally, John, Asa, Leonard, James, Lydia, Zelotes, and Louisa. Benjamin was born Aug. 15, 1755, married Relief Wyman, March 12, 1788. She was born Sept. 16, 1761, and died March 25, 1819. The date of his death is not recorded. The children of Benjamin, Sr., and Relief (Wyman) Clough were: Moody, Abigail, Hannah, Phebe, Benjamin, Dorias, and Ezra. There was a third brother, John, who travelled from Haverhill Mass. to Blue Hill Maine, however, he is not treated in this genealogy.
The Douglass Genealogy of Blue Hill, Maine treats two different sets of Douglass brothers and their families: John and Isaac Douglass, and James and Sylvanus Douglass.