Thomas J. & Rebecca (Pettit) Wendell PA

Looking for descendants of Rebecca Pettit who married Thomas J. Wendell.Rebecca was born about 1847 to Hannah (Ketcham) and Matthias L. Pettit in Greene Co. PA.I am trying to widen the search for descendants of the Ketchams.Hannah being the daughter of Lewis and Phebe (Hayden) Ketcham born Apr 1, 1812 probably in Belmont OH.After Phebes death in 1821 Lewis took the family to Greene Co. PA, remarried and settled there.