From the website:
http://www.familytreemaker.com/users/b/o/s/Dana-T-Bostwick/

Children of JOHN PITZER and MARY KEESECKER are:
MICHAEL (5) PITZER, b. February 07, 1800; m. MARGARET SOISTIS, October 1823.
MARY PITZER, b. October 26, 1801; d. December 23, 1834; m. ANDREW ALULUIN, October 28, 1824.
ANDREW PITZER, b. September 27, 1803; d. Bef. 1825.
JOHN PITZER, b. November 06, 1805; d. March 01, 1835.
MATTHIAS PITZER, b. February 06, 1808; m. (1) SUSANNAH DAVIS, Washington, Maryland, USA; m. (2) RACHAEL NEWSON, December 22, 1830. Moved to Missour i in 1830.
JOSEPH PITZER, b. April 24, 1810.
CATHERINE PITZER, b. June 06, 1812; m. FRANCIS EMBERSON, November 09, 1830. Moved to Missour i in 1830.
GEORGE KEESECKER PITZER, b. September 12, 1814, Berkeley, VA, USA; d. October 07, 1890; m. (1) ELIZABETH VENABLE, April 26, 1843; m. (2) HESTOR J. ESTES, December 03, 1849. Moved to Missouri in 1832.
RACHAEL PITZER, b. 1816; m. SAMUEL ESTES
MARGARET PITZER, b. November 19, 1819; d. 1906.