Thomas K. Koppers (1867-1944) |
Jannetje Rietdyk (1868-1924) |
Anna Koppers (1888-1960) |
Lemis Koppers (1892-1940) |
Anthony Koppers (1893-1940) |
Garrett J. Koppers (1894-1974) |
Cornelius Koppers (1897- ) |
Thomas Joseph Koppers (1898-1980) |
Margaret Koppers (1901- ) |
Richard Koppers (1903-1926) |
Grandmother Lena J. Koppers (1905-1989) |
Nellie Hopkinson (1895-1954) |
Harry John Koppers (1894-1976) |
Eleanor M. Koppers (1915- ) |
Harry G. Koppers (1917-1988) |
Bryant J. Koppers (1928- ) |
Garry D. Koppers (1930-2011) |