Family: William McCoy / Margaret Koppers (F154)
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 | Thomas K. Koppers (1867-1944)
|
 | Jannetje Rietdyk (1868-1924) |
| Anna Koppers (1888-1960)  |
| Lemis Koppers (1892-1940) |
| Anthony Koppers (1893-1940) |
| Harry John Koppers (1894-1976) |
| Garrett J. Koppers (1894-1974) |
| Cornelius Koppers (1897- ) |
| Thomas Joseph Koppers (1898-1980) |
| Richard Koppers (1903-1926) |
| Grandmother Lena J. Koppers (1905-1989) |
| Margaret Koppers (1901- )
|