Interactive tree of John Franklin Cook

Charles Bryan Bretz 18961976
Clara Belle Case 19011984
Percival Cook Bretz 18981898
Lester Leroy Bretz 19001953
Maude Eva Bretz 1903
Catherine Lavina Cook 18761954
John Ammon Bretz 1869
John Franklin Cook 18561936
Mary Ellen Koppenheffer or Koppenhaver 18561937
Emmanuel E Koppenheffer 18271899
Caroline Kebaugh 18341918