| 1. William Henry Backhaus |
 |
| B: |
18 Sep 1939 |
| P: |
Yankton, Yankton County, South Dakota, USA |
| D: |
16 Jul 2008 |
| P: |
Sioux Falls, Minnehaha County, South Dakota, USA |
|
| 2. Albert Arthur Backhaus |
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| B: |
22 Feb 1913 |
| P: |
Mankato, Blue Earth County, Minnesota, USA |
| M: |
18 Sep 1931 |
| P: |
Flandreau, Moody County, South Dakota, USA |
| D: |
18 Mar 1974 |
| P: |
Sioux Falls, Minnehaha County, South Dakota, USA |
|
| 4. Albert Frederick Backhaus |
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| B: |
18 Jul 1892 |
| P: |
Mankato, Blue Earth County, Minnesota, USA |
| M: |
25 Dec 1911 |
| P: |
Hospers, Sioux County, Iowa, USA |
| D: |
13 Jun 1962 |
| P: |
Sioux Falls, Minnehaha County, South Dakota, USA |
|
| 8. J Albert G Backhaus |
|
| B: |
22 May 1865 |
| P: |
Prussia |
| M: |
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| P: |
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| D: |
27 Jul 1896 |
| P: |
Blue Earth County, Minnesota, USA |
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| 5. Hattie Smith |
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| B: |
15 Jan 1894 |
| P: |
Orange City, Sioux County, Iowa, USA |
| D: |
6 Jan 1947 |
| P: |
Sioux Falls, Minnehaha County, South Dakota, USA |
|
| 10. Hendrik Smith |
=> |
|
| B: |
29 Jun 1860 |
| P: |
Finsterwolde, Reiderland, Groningen, Netherlands |
| M: |
Aug 1886 |
| P: |
Orange City, Sioux County, Iowa, USA |
| D: |
13 Jan 1945 |
| P: |
Sioux Center, Sioux County, Iowa, USA |
|
| 11. Seijerdina Romberg |
=> |
|
| B: |
28 May 1869 |
| P: |
Hoogeveen, Drenthe, Netherlands |
| D: |
May 1953 |
| P: |
Sioux County, Iowa, USA |
|
| 3. Marion Theresa Clark |
|
| B: |
29 Aug 1913 |
| P: |
Elkton, Brookings County, South Dakota, USA |
| D: |
21 Jun 1978 |
| P: |
Sioux Falls, Minnehaha County, South Dakota, USA |
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| 12. |
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1939 - 2008 (68 years)
