George Adam Kellenbarger leads
Ancestry.com's sometimes incorrect but often helpful Family Data Collection shows the following:
Parents George Kellenberger and Elizabeth Zimmer Simmer
Charlotte Kellenberger - b. 20 December 1800, Baltimore, MD. d. 9 September 1801, Baltimore, MD
Charlotte Kellenberger - b. 15 August 1802, Baltimore, MD, d. 23 April 1886, Alton, Madison, IL
George Adam Kellenberger - b. 24 June 1797, Baltimore, MD, d. 24 January 1838.
John Kellenberger - b. 29 January 1796, Baltimore, MD. d. December 1854.
Mary Ann Henrietta Kellenberger - b. Birth: 6 February 1799, Baltimore, MD. d. 29 September 1873, Alton, Madison, IL
Kellenberger, George to Simmer, Elizabeth Zimmer, 1794. City: Georgetown.
Kellenberger, George, 24 October 1835 City: Alton, County: Madison, State: IL