I am researching my family tree and have run into a wall - would anyone have any information on the Witherow's who moved from Cumberland Co, PA to Cornwall, PA?

David Witherow {GGG Grandfather} (Wife is Martha) childern John, Sarah, Mary and Oliver.

John M Witherow {GG Grandfather} married Catherine their children were Sarah, Harry, Gertrude (Girdy), Wilbur, George, Mary, Franklin and Elmer.

Franklin Witherow {G Grandfather} was married twice. 1st wife Minnie Dissinger had one child William Franklin {Grandfather} Witherow. 2nd Wife Catherine (Maiden name unknown) their children John, Catherine, Edna and Sarah.

Thank you in advance!