Another name for Margaretha was Margaret.
The sponsors of her son Johan Peter's baptism was Peter Flickinger, who could be her father, and Elisabetha Seger.
Margaretha married John Peter Wotring, son of Abraham Wotring and Anna Margaretha Mertz, about 1748. (John Peter Wotring was born in Fénétrange, , Lorraine, FRA, christened on 5 Mar 1724 in Diedendorf: Diedendorf Reformed Church, Bas-Rhin, Alsace, FRA 3 and died in 1762 in Heidelberg Twp., Lancaster, PA.)
1 Carroll Hamlet (firstname.lastname@example.org).
Pennsylvania Archives, Volume 6, Egypt Reformed Church Records 1734-1807 (http://files.usgwarchives.net/pa/lehigh/church/egyp0001.txt
"Baptismal Record of the congregation on the Lehigh, in which are recorded the names of the children baptized, the names of their parents, and also the names of the sponsors. Commenced March 22, 1739."
J. Henricus Goetschius, M. Helvetico Tigurinus.).
3 Burgert, Annette Kunselman, Eighteenth Century Emigrants from the Northern Alsace to America (Camden, Maine: Picton Press, 1992.), Page 552.