I have been working in the area.
There seems to be some confusion and smushing of
Parents
Johan Georg Unknown
1694 - 1761
ROSINA JAKOBINE Unknown (born Kummelin)
1705 - 1777
Wife
Bertha "Fertha" Ammons (born Olsen)
1758 - 1816
and
Father Jacob Ammons, Jr
Mother Barbara Ammons (born {unknown})
Wife Fertha Ammons (born Olsen)