1 Johann George Bernhard Kessler
(1711-1792)

1.3 Andreas Keslar
(1746-1809 Westmoreland County, Pa.)

1.1 Johannes John Kessler
(1742-1826 Frederick, Md.)

1.2 Isaac Kessler
(1744-1747 Winden, Germany)

1.4 Susana Catherine Kessler Rohr
(1749-unknown)

1.5 Anna Margaretha Kessler
(1753-1851 Frederick, Md.)

1.3.1 Andrew Kessler (1770-1860 Jefferson Township, Frederick County, Md)

1.3.2 Johannes John Kessler (1772-1850 Botetourt County, Va.)

1.3.3 Mary J. Kessler Showe (1774-1806 Frederick County, Md.)

1.3.4 George Kesler (1776-1840 Fayette County, Pa.)

1.3.5 Peter Keslar (1778-1860 Donegal Township, Westmoreland County, Pa.)

1.3.6 Jacob Kessler (1782-aft. 1824 Jefferson Township, Frederick County, Md)

1.3.7 William Kesler (1784-1864 Pennsylvania)

1.3.8 Samuel Kessler (1786-1830 Frederick County, Md)

1.3.9 Thomas Kessler (1788-1850 Donegal Township, Westmoreland County, Pa.)

1.3.10 David Kessler (1790-1840 Frederick County, Md)