Rivell Look up plzs

hello I am trying to research my Family Tree,,Have hit a Brick wall need help.I am researching the Rivells,from Sharon Hill, Delaware Co,Pennsylvania.Names are:
Frank Rivell B- 14 June 1919
his father
George Washington Rivell B-12 May 1888 Sharon Hill,Delaware Co, Pennsylvania m Elizabeth Seymour b-16 Apr 1889
D-17 July 1953 Stone house La,Pennsylvania
his father
George Washington Rivell B? m Anna Stevenson
His father
George Washinton Rivell B? m Anna Pettit B?
his father
George Washington Rivell B ? m Elizabeth Dickerson B?

Frank Rivell is my grandfather,wondering if anyone has information on these Rivells. I will greatly appericate any information.Thanks for looking and helping
Brenda