1896 - 1984 (87 years)
 | John Sidney Olsen 1924-1971 |
| John Sidney Olsen | |
| B: | 20 Jun 1924 |
| Chicago, Cook, Illinois, USA | |
| D: | 18 Jul 1971 |
| Harvey, Cook, Illinois, USA | |
 | Lucille Suzanne Altman 1926-2019 |
| Lucille Suzanne Altman | |
| B: | 14 Apr 1926 |
| Center, Starke, Indiana, USA | |
| M: | 23 Apr 1949 |
| Cook County, Illinois, USA | |
| D: | 18 Nov 2019 |
| James Stuart Olsen 1923-2004 |
| James Stuart Olsen | |
| B: | 3 Jan 1923 |
| Chicago, Cook, Illinois, USA | |
| D: | 14 Oct 2004 |
| Elk Grove, Cook, Illinois, USA | |
| Marie Estelle O'Brien 1896-1984 |
| Marie Estelle O'Brien | |
| B: | 29 Oct 1896 |
| Illinois, USA | |
| D: | 22 Jul 1984 |
| Cook County, Illinois, USA | |
| Adolph Wilhelm Olsen 1891-1955 |
| Adolph Wilhelm Olsen | |
| B: | 24 May 1891 |
| Bornholm, Denmark | |
| M: | 22 Dec 1921 |
| Cook County, Illinois, USA | |
| D: | 5 Oct 1955 |
We make every effort to document our research. There is a lot of information that I do not have, and I know there are mistakes in this tree. My feelings will not be hurt if you give me corrections or additional information, especially if you can provide sources for the information.
