1904 - 1971 (67 years)
| | Olaf Andrew Swenson |  | | B: | 15 Sep 1858 | | P: | Klockhammar, Örebro, Sweden | | M: | 27 Mar 1889 | | P: | Davenport, Scott Co., Iowa, USA | | D: | 28 Aug 1951 | | P: | Davenport, Scott Co., Iowa, USA |
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| Sallie Amalia Louison | | | B: | 8 Dec 1869 | | P: | Davenport, Scott Co., Iowa, USA | | D: | 7 Jan 1937 | | P: | Seattle, King Co., Washington, USA |
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