Possibly the same as:

John Welty b September 4, 1722 Eppingen, Germany d. Jan 16, 1817 buried Emmitsburg, Maryland-St. Joseph's Catholic Church
sp. Barbara d. July 19, 1816 buried Emmitsburg, Maryland-St. Joseph's Catholic Church

2 - Frederick b March 12, 1779 Piney Creek, Maryland d. April 28, 1877
2 - Elizabeth (died at age 103)
sp. Knitz
2 - Susanna d. March 1855 (died at age 84)
sp. Hornaker
2 - Casper Welty b. May 6, 1767 d. February 27, 1856 buried Emmitsburg, Maryland-St. Joseph's Catholic Church (died at age 88)
sp. Frances d. April 29, 1858
2 - Bernard Welty, b. July 20., 1773 d. April 1, 1856 buried Emmitsburg, Maryland-St. Joseph's Catholic Church (died at age 82)
sp. Mary Magdalena Eichleberger d. October 6, 1829 buried Emmitsburg, Maryland-St. Joseph's Catholic Church

3- William B. Welty b. June 3, 1812 d. September 26, 1849 buried Emmitsburg, Maryland-St. Joseph's Catholic Church

2- Mary d. Sept 17, 1866 (died at age 91)
m. Hoovs
2- Abraham d. May 2, 1874 (died at age 97)