Biographical Sketch (1904):751, v. 2, p. 494. "John Clevenstine, who in connection with the labors of a farmer followed the trade of a blacksmith, and also that of a wheelwright, in addition to carrying on the business of a contractor. This ancestor, so remarkable for the versatility of his talents, married Elizabeth Deary, and they were the parents of a son, Henry, who was born July 12, 1812, in Berks County, and in early life followed the trade of a blacksmith, but later became a farmer."

1805 Guardianship:96, frame 1382. On 1 May 1805 John Clevenstine chose John Bidler as guardian.

1817 Administration of brother Henry’s Estate:1403 On 26 December 1817, John Clevenstine, Jacob Still, John Emery, and David Steitler, all of Chester County, are granted $1,600 bond to administer the estate of "Henry Clevenstine late of the Township of Brandywine." Full inventory and accounting is due 26 December 1818.

1818 Guardianship of brother Henry’s Children:769 On 3 February 1818, John Clevenstine petitioned the Court of Common Pleas of Chester County, Pennsylvania, to appoint Charles Still Jun. of Vincent Township as guardian of the minor children of Henry Clevenstine, late of the township of Brandy Wine in the County of Chester. The children, all under the age of fourteen, are Hannah, John, Jacob, and David Clevenstine.

1850 U.S. Census:1401
Chester County, Pennsylvania (East Pikeland Township)
Enumerated 10 August 1850
John Clevenstine •• 62, male, farmer, real estate value $24,900
Elisabeth •• 62, female
Rebecka •• 19, female
William Earles (?) •• 44, male