Father:
- Jacob Mathias Lutwyler Sr. Showalter (*1702 - †1773)
Mother:
- Maria Elizabeth Saunders (*1706 - †1776)
Siblings:
- Christian Showalter (*1727 - †1805)
- Jacob Mathias Lutwyler Jr. Showalter (*1730 - †1778)
- Johannes Showalter (*1732 - †1806)
- Joseph Showalter (*1733 - †?)
- Daniel Showalter (*1738 - †1822)
- Valentine Showalter (*1740 - †?)
- Ulrich Showalter (*1743 - †1815)
- Barbara Showalter (*1744 - †?)
- Margaret Showalter (*1746 - †?)
- Martha Showalter (*1748 - †?)
Wife:
- Unknown (*? - †?)
Children:
- Christian Showalter (*? - †?)
- Anthony Showalter (*? - †?)
- Peter Showalter (*1754 - †?)
- Jacob Showalter (*1755 - †?)
Branch:
Note:
a) GEDCOM file: Swabian Kastlers.ged