Family: Mortimer Marcinas Brennan / Marvel Ackerman (F101156)
Ludwig A. Ackerman (1869-1940) 
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Catherine Hargather (1864-1941)
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Marie Ackerman (1893- )  |
| Louis A. Ackerman (1895- ) |
| Wilfred William Ackerman (1896- ) |
| Elmer Ackerman (1903- ) |
| Anthony Ackerman (1904-1954) |
| Clarence Ackerman (1907-1965) |
| Marvel Ackerman (1898-1988)
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| Mortimer Marcinas Brennan (1899-1981)
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