 | Peter William BLACKWELL (1833-1919) 
|
 | Lydia SWAN (1829-1885)
|
 | Thurza BLACKWELL (1855-1917)  |
 | Harriett BLACKWELL (1857-1875) |
 | Jane BLACKWELL (1861-1941) |
 | Elijah BLACKWELL (1864-1945) |
 | Lucy BLACKWELL (1867-1949) |
 | William Thomas BLACKWELL (1870-1937) |
 | Joannes Adamus "John" MOHR (1831-1898)
|
 | Mary Muir PHILLIPS (1843-1914)
|
 | John William BLACKWELL (1859-1927)
|
 | Florence LIllian MOHR (1866-1926)
|
 | Peter William BLACKWELL (1888-1917) |
| Jane BLACKWELL (1890-1895) |
 | John Elijah BLACKWELL (1890-1966) |
 | David BLACKWELL (1892-1945) |
 | Florence BLACKWELL (1894-1970) |
 | Agnes BLACKWELL (1896-1977) |
 | Mary Jane "Jenny" BLACKWELL (1898-1973) |
 | May BLACKWELL (1900-1923) |
 | Robert William BLACKWELL (1902-1971) |
 | Thurza BLACKWELL (1905-1980) |
 | George Henry BLACKWELL (1908-1972) |
