PA geneology is well documented, google will give you decent leads, "Jenkingtown" with the name George Fleck came up witht he following, plus a ton of other stuff all linked,
Mrs. Roesch was the widow of August R. Roesch who died Dec. 19, 1965. She was born in Brooklyn, the daughter of the late George and Mary Fleck, Sept. 3, 1878.
It's a start,
Chris