Notes:
1930 census, PA, Berks Co., Reading City
Mumma, Jacob C., head, owns, $20,000, 39, m @ age 28, b. PA/PA/PA, jeweler, Jewelry Co.,
" , Marian, wife, 30, m @ age 18, b. PA/PA/PA
" , John, son, 10, b.PA/PA/PA
John is listed in the National Archives as having been a prisoner of war during WWII
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MUMMA JOHN C, ARMY, from Pennsylvania, served European Theatre: Germany, Returned to Military Control, Liberated or Repatriated GERMANY, held in Stalag Luft 3 Sagan-Silesia Bavaria (Moved to Nuremberg-Langwasser) 49-11