1Benjamin Woodbridge Dwight, The History of the Descendants of John Dwight, of Dedham, Mass, Vol. 2, p. 627 (1874).
URL = http://books.google.com/books?id=ovXIlXPw8scC&pg=PA627&lpg=PA627&dq=%22John+Sergeant%22+%22Abigail+Williams%22&source=bl&ots=Mu41NlzTsz&sig=CyL-6jU_2NoY1F8miT25Xlf4vmU&hl=en#v=onepage&q=%22John%20Sergeant%22%20%22Abigail%20Williams%22&f=false.
"[The children of Rev. John Sergeant and Abigail Williams were:
i. Electa Sergeant, the first white child b. at Stockbridge, b. Aug. 31, 1740, who m. Jan. 31, 1765, Col. Mark Hopkins of Gr. Barrington (brother of the distinguished Rev. Dr. Samuel Hopkins of Newport, R. I.), Sept. 18, 1739 (son of Timothy Hopkins of Waterbury, Ct., and Mary Judd), a lawyer. He d. at White Plains, N. Y., Oct. 26, 1776. His son Archibald, b. March 23, 1766, was the father of Rev. Mark Hopkins, D.D., Prest. of Williams College (1836-1872), b. Feb. 4, 1802, and of Prof. Albert Hopkins of same college, b. July 14, 1807.
ii. Erastus Sergeant, M.D., b. in 1742, the first physician that Stockbridge ever had; a man of excellence and honor. He d. there Nov. 14, 1814. His wife was Elizabeth Partridge of Hatfield, Mass.
iii. Rev. John Sergeant, b. in 1747, a missionary to the Indians at New Stockbridge, Oneida Co., N. Y., where he d. Sept. 8, 1724, aet. 7. His wife was Mary Codner of Boston, Mass."