Johannes Hartman was known to be from Switzerland.
His occupation was a webermoister  or master weaver.

BAPTISMAL RECORDS

LDS Microfilm # 193822 - Edenkoben, Germany
Christenings of children were recorded (except for Johann Adam)  at the Parish Vereinigte Protestantisch, 
Evang Christle   (Lutheran)
Kirchje Der Pfalz
Taufregistry (Christenings)

10 March 1740 - Joh: Hartmann - webermoister et uxor Anna Barbara oin tochter bauptz captz testes: Ulrich Ott et uxor Anna Elisabetha . Nom inf : Anna Elisabetha

3 Feb 1743 - Johanes Hartman webermeister et uxor Ana Barbara oin sohn baupt captz testes: Philipp Carl Haas et uxor Maria Barbara. Infant: Philipp Carl

13 Sept 1744 - Johannes Hartman et uxor Anna Barbara oin tochter bauptz capt testes: Gottfried Wassenborn et uxor - - - - - - - - nom inf: Anna Margaretha

28 Aug 1746 - Johann Hartman et uxor Anna Barbara oin sohn bauptz captz testes: Philipp Volker et uxor Anna Catharina nom inf: Philipp Jacob

6 May 1750 - Joh:  Hartman et uxor Anna Barbara oin sohn bauptz captz testes: Philipp Jacob Volker et uxor - - - - - nom inf: Philipp Jacob

23 May 1751 - Johann Hartman et uxor Anna Barbara oin sohn bauptz captz testes: Nicolaus Pfister et ejs uxor - - - - - nom inf Joh Nicolaus

23 Apr 1755 - Johannes Hartman webermeister et uxor Anna Barbara oin sohn bauptz captz testes: Johannes et uxor Anna Barbara nom inf: Johannes