1904 - 1972 (68 år)
 | Dennis Duane Marko 1948-1999 |
| Dennis Duane Marko | |
| F: | 22 Jul 1948 |
| Webster, Day County, South Dakota, USA | |
| D: | 10 Maj 1999 |
| Veblen, Marshall County, South Dakota, USA | |
 | Donald James Marko 1951-2017 |
| Donald James Marko | |
| F: | 9 Nov 1951 |
| Webster, Day County, South Dakota, USA | |
| D: | 24 Mar 2017 |
| Webster, Day County, South Dakota, USA | |
 | Ronald Joseph Marko 1949-2015 |
| Ronald Joseph Marko | |
| F: | 14 Aug 1949 |
| Webster, Day County, South Dakota, USA | |
| D: | 3 Sep 2015 |
| Cottage Grove, Washington County, Minnesota, USA | |
 | Geraldine Lynn Tol 1949-2016 |
| Geraldine Lynn Tol | |
| F: | 1 Sep 1949 |
| Clear Lake, Deuel County, South Dakota, USA | |
| D: | 11 Dec 2016 |
| Saint Paul, Ramsey County, Minnesota, USA | |
 | Ione Rosella Nelson 1925-2006 |
| Ione Rosella Nelson | |
| F: | 10 Apr 1925 |
| Liberty Township, Pierpoint, Day County, South Dakota, USA | |
| D: | 20 Jun 2006 |
| Aberdeen, Brown County, South Dakota, USA | |
| Peter Marko 1912-1973 |
| Peter Marko | |
| F: | 13 Sep 1912 |
| Veblen, Marshall County, South Dakota, USA | |
| D: | 2 Aug 1973 |
| Webster, Day County, South Dakota, USA | |
|
| Ruby Serine Jakobson 1904-1972 |
| Ruby Serine Jakobson | |
| F: | 8 Maj 1904 |
| Pierpont, Day County, South Dakota, USA | |
| D: | 16 Jul 1972 |
| Webster, Day County, South Dakota, USA | |
 | Ingvald Nelson 1900-1995 |
| Ingvald Nelson | |
| F: | 2 Mar 1900 |
| Independence Township, Day County, South Dakota, USA | |
| D: | 19 Mar 1995 |
| Pierpont, Day County, South Dakota, USA | |
