Did she move back into her parents' house after Hans died? She was not listed in the 1800 census but there was a Joseph Wenger living in Earl Twp, Lancaster Co, PA, that year and in Cocolico Twp, Lancaster Co, were Christian, John, Jacob, another Joseph, and Michael was in Conestoga Twp, same county. Her children?
In 1810 she was listed as Barbara Winger, living in Donegal Twp, Lancaster Co, PA. She was over 45 and had living there 1 female under 10 years of age and 1 at 10-15.
Could her death date be wrong? She was not menetioned in her husband's will in 1799.