| John Robertson Sr |
Christian Helmuth (1860 - 1942) |
| Margaret Thompson |
Barbara Schneider (1869 - 1936) |
| Robert Thompson Robertson | Marie Louise Helmuth |
| b. 5 Dec 1882, Clark City, Kankakee Country, IL d. 1 Sep 1963, Las Vegas, NM |
b. 29 May 1890, Red Fern Table, Custer County, NE d. 26 Jun 1972, National City, CA |
| Lois Marie Robertson |