Alvin Knappenberger
Alvin was born about 1870 in Lehigh County, Pennsylvania.  He died before 1910 in Lehigh County, Pennsylvania.

 Cora Mary Wetzel
Cora Mary was born about 1875 in Lower Macungie Township, Lehigh County or Hensingersville, Pennsylvania.  She died after 1930 in Lehigh County, Pennsylvania.

 Eva Knappenberger
Eva was born about 1893 in Lehigh County, Pennsylvania.

 Ralph Martin Knappenberger
Ralph Martin was born on April 19th, 1894 in Allentown, Lehigh County, Pennsylvania.  He died at the age of 92 on February 22nd, 1987 in Allentown, Lehigh County, Pennsylvania.

 Prynton Edison Knappenberger
Prynton Edison was born on August 22nd, 1902 in Emmaus, Lehigh County, Pennsylvania.  He died at the age of 69 in January 1972 in Allentown, Lehigh County, Pennsylvania.