did you find information on your great grandparents? I am not sure we are connected but my family of Phifer (Phiffer) relating back from Joseph H Phifer (b 1852) of Camden, New Jersey is shown below:
Violet Edna Phifer (Phiffer) was my mother's mother, or my grandma.
Born 05/13/1899 in Trenton, Mercer, New Jersey, USA
Died Aug 8, 1989 in Santa Clara County, California, USA
Her Parents:
Father: Clarence Berton Phifer (Pfifer) Sr.
born Aug 10, 1878 in Camden, New Jersey, USA (possibly Trenton, NJ)
died November 01, 1965 in New Jersey
(mother: Laura Violet Livingston also known by her married name Violet Edna (AKA Laura) Phifer)
His parents:
Father: Joseph H Phifer (sometimes listed as Joseph N Phifer in Census records)
born abt 1852 in Camden, Camden, New Jersey, USA
died on unknown date
(mother: Anna G Norcross)
His parents:
Father: Either William Phifer or possibly Edward Phifer (Fifer)
William born Feb 28, 1833 in Mercer County, New Jersey, USA
Death on Oct 13, 1901 in Trenton, Mercer, New Jersey, USA
(mother: Mary M (MNU?)
Birth abt 1828 in Mercer County, New Jersey, USA
Death 1892 in Trenton, Mercer, New Jersey, USA
If you have more accurate information, or want to link to my tree, please let me know. I hope this info helps.