Family: John ONDERDONK / Mary Jane DEMPSEY (F10272)
m. 1836Isaac DEMPSEY (1792-1876) 
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Elizabeth BRICKMAN (1796-1858)
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Thomas DEMPSEY (1818-1895)  |
| John ONDERDONK (1812-1894) |
| Mary Jane DEMPSEY (1815-1900)
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| William Andrew ONDERDONK (1840- ) |