Although it does not contain information on any descendants (we would like those if you are willing to share) of the Chilsons, all the information you seek is found in the ALVORD Book published by Samuel Alvord in 1908.The Chilson family is listed on page 140 as follows:
"THANKFUL ALVORD (Jonathan, Jonathan, Jonathan, Alexander [he was the immigrant])
born Westhampton MA, Aug 23, 1778; died Chester, OH, Jan. 22, 1856; married Westhampton, MA, Dec. 29, 1799, Joseph Chilson, son of Joseph and Mary Chilson.He was born Westhampton MA, Jan. 29, 1779; died Chester OH, Mar. 20, 1851.Resided Westhampton MA and Chester, Geauga Co. OH.
Children (all born Westhampton, MA):
Sybil, born May 26, 1800
Charlotte, born Feb. 1, 1802
Elihu, born Dec. 19, 1803
Jonathan Alvord, born Nov. 7, 1805; marriedPhylinda
Climena, born Aug 9, 1807;died Apr. 9, 1808
Seth, born Apr. 26, 1809; married Amelia; resided Grand Rapids, MI
Orren, born Oct. 1, 1811; died MO in 1858; married Mary Nichols
Alfred, born Mar. 7, 1814;married Mehitable Bates
Newman, born Mar. 14, 1816
Harriet, born Oct. 7, 1818; died Chester OH, Oct. 6, 1858; married June 11, 1840, Asahel Webster of Peru, MA
Valorous, born Nov. 13, 1821; died MI; married Elizabeth
Joseph Chilson removed from MA to Chester OH in 1832.He was a farmer."Joseph Chilson removed from MA to Chester OH in 1832.He was a farmer."If you would like copies of the appropriate pages, I will be happy to send them to you.