Father:
- Henry George Garver Showalter (*1787 - †1867)
Mother:
- Catherine Elizabeth Gosslet (*1786 - †1863)
Siblings:
- Susannah Showalter (*1810 - †1909)
- Joseph Showalter (*1811 - †?)
- Daniel Halderman Sr. Showalter (*1813 - †1863)
- Samuel Showalter (*1815 - †?)
- Abraham Gosslet Showalter (*1818 - †?)
- Jacob Showalter (*1820 - †?)
- Harry Showalter (*1823 - †?)
- Benjamin Showalter (*1823 - †?)
- Susanna Showalter (*1825 - †?)
- Benjamin R. Showalter (*1825 - †1853)
- Katie Showalter (*1827 - †?)
- Catherine M. Showalter (*1828 - †1852)
Wife:
- Elizabeth Whiteside (*1812 - †1865)
Branch:
Note:
a) GEDCOM file: Swabian Kastlers.ged