Maria Barbara Schoen (Buehler) - Sources for parents?

We don't know who's the mother of Maria Barbara Schön, we only know that her name was Maria Barbara, Maiden Name Unknown.

I don't see any sources for the maiden name of Maria Barbara nor for her birthdate or parents, all of which are unknown at this time.

The sister of Maria Barbara Schön, Anna Barbara Schön b. 1664, was a 1717 Immigrant and married three times.

The source for the births of the children of Quirinus Schön and Maria Barbara MNU is:

Karl Diefenbacher and Klaus Rössler, Ortssippenbuch Oberöwisheim 1648-1900 und Neuenbürg 1785-1900 (Frankfurt am Main, Germany: Zentralstell für Personen- und Familiengeschichte, 1995), 443, 454, 542.

Barbara Price, Trustee/Genealogist
The Germanna Foundation

Maria Barbara Schön, Infant

Disconnecting from the unsourced parents.