Compact tree of Robert Donald Bly
| Anders Pedersen 1789– | Anders Mathisen 1805–1910 | ||||||||||||
| Christopher Anderson 1822–1902 | Christian Anderson Bly 1863–1940 | Caren Andersdatter 1827–1906 | |||||||||||
| Berte Pedersdatter 1791– | Kari Andersdatter 1807–1862 | ||||||||||||
| William “Bill” Johnson 1898–1957 |
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Martha Leona “Myrtle” Bly 1909–1983 | |||||||||||
| Ole Johansen 1798– | Lars Andersen 1811– | ||||||||||||
| Nicolai Olsen 1851–1928 | Mary N. “Marie” Olsdatter 1882–1946 | Martea Larsdatter 1858–1887 | |||||||||||
| Anne Olsdatter 1806– | Magnild Andersdatter 1816– | ||||||||||||