(Notes: You may have to scroll down or right to see chart.)
| William Bernhard BERTRAM |
| William Bernhard BERTRAM | |
| B: | 12 Mar 1890 |
| Melvin, Illinois | |
| D: | 16 Oct 1974 |
| Wheaton, Minnesota | |
| Bertha Antke ITZEN |
| Bertha Antke ITZEN | |
| B: | 16 Oct 1889 |
| Ackley, Iowa | |
| D: | 8 Apr 1991 |
| Sleepy Eye, Minnesota | |
| Herman Ommen BERTRAM |
| Herman Ommen BERTRAM | |
| B: | 17 May 1891 |
| Melvin, Illinois | |
| D: | 2 Jun 1972 |
| Herman, Grant, Minnesota | |
| Trintje Friederike BARTELL |
| Trintje Friederike BARTELL | |
| B: | 19 Sep 1895 |
| Pomeroy, Iowa | |
| D: | 19 Oct 1983 |
| Morris, Minnesota | |
| August Frank SCHOENTHAL |
| August Frank SCHOENTHAL | |
| B: | 21 Oct 1887 |
| D: | 13 Feb 1970 |
| Santa Rosa, Sonoma, California | |
| Harry F. BERTRAM |
| Harry F. BERTRAM | |
| B: | 1 Jan 1893 |
| Melvin, Illinois | |
| D: | 12 Mar 1945 |
| Sena BERTRAM |
| Sena BERTRAM | |
| B: | 1894 |
| Guthrie, Illinois | |
| D: | 1928 |
| Petaluma, Sonoma, California | |
| John BERTRAM |
| John BERTRAM | |
| B: | 1896 |
| Guthrie, Illinois | |
| D: | Yes, date unknown |
| Henry BERTRAM |
| Henry BERTRAM | |
| B: | 27 Sep 1897 |
| D: | May 1983 |
| Merdye SUTMAN |
| Merdye SUTMAN | |
| B: | 12 Apr 1902 |
| D: | 21 Apr 1998 |
| Marin County, California | |
| Minnie Emma BERTRAM |
| Minnie Emma BERTRAM | |
| B: | 10 Feb 1899 |
| Guthrie, Illinois | |
| D: | 5 Jul 1987 |
| Santa Rosa, Sonoma, California | |
| Edward SCHOENTHAL |
| Edward SCHOENTHAL | |
| B: | 18 Sep 1895 |
| D: | 17 Apr 1983 |
| Sebastapol, California | |
| Hannah Olga BERTRAM |
| Hannah Olga BERTRAM | |
| B: | 31 Dec 1902 |
| Herman, Minnesota | |
| D: | 1980 |
| Petaluma, Sonoma, California | |
| Clark Mckinley STURM |
| Clark Mckinley STURM | |
| B: | 12 Oct 1898 |
| Grizwold, Iowa | |
| D: | 9 Sep 1985 |
| Petaluma, Sonoma, California | |
| Clarence BERTRAM |
| Clarence BERTRAM | |
| B: | 1902 |
| Guthrie, Illinois | |
| D: | 1902 |
| Guthrie, Illinois | |
| Frederick J. BERTRAM |
| Frederick J. BERTRAM | |
| B: | 13 Jan 1902 |
| Guthrie, Illinois | |
| D: | 17 Jan 1995 |
| Yuba City, California | |
| Greetke Maria OMMEN |
| Greetke Maria OMMEN | |
| B: | 28 Jul 1862 |
| Altfunnixsyhl, Ostfriesland, Kingdom of Hannover | |
| D: | 1939 |
| Minnesota | |
| Henry Clarence BERTRAM |
| Henry Clarence BERTRAM | |
| B: | 22 Mar 1863 |
| Oldenburg, Germany | |
| D: | 28 Feb 1929 |
| Traverse County, Minnesota | |
| Ihnke Menssen OMMEN |
| Ihnke Menssen OMMEN | |
| B: | 20 Sep 1865 |
| Funnix-Altendeich, Ostfriesland, Kingdom of Hannover | |
| D: | Yes, date unknown |
| Herken Janssen OMMEN |
| Herken Janssen OMMEN | |
| B: | 31 Jan 1870 |
| Funnix, Ostfriesland, Germany | |
| D: | Yes, date unknown |
| Fredrich Johan Heeren OMMEN |
| Fredrich Johan Heeren OMMEN | |
| B: | 5 Mar 1872 |
| Funnix, Ostfriesland, Germany | |
| D: | Yes, date unknown |
| Etta J. |
| Etta J. | |
| B: | 1878 |
| D: | Yes, date unknown |
| Etta Ommen OMMEN |
| Etta Ommen OMMEN | |
| B: | Abt 1877 |
| D: | Yes, date unknown |
| Ommo Eyben OMMEN |
| Ommo Eyben OMMEN | |
| B: | 28 Oct 1833 |
| Altfunnixsyhl, Ostfriesland, Kingdom of Hannover | |
| D: | 1876 |
| Funnix, Ostfriesland, Germany | |
| Hemke MARTENS |
| Hemke MARTENS | |
| B: | 1843 |
| Ostfriesland, Germany | |
| D: | Ostfriesland, Germany |
| Greetke OMMEN |
| Greetke OMMEN | |
| B: | 10 Mar 1836 |
| Altfunnixsyhl, Ostfriesland, Kingdom of Hannover | |
| D: | Yes, date unknown |
| Fost Hinrichs WOLKEN |
| Fost Hinrichs WOLKEN | |
| B: | 23 Mar 1827 |
| Altfunnixsyhl, Ostfriesland, Kingdom of Hannover | |
| D: | Yes, date unknown |
|
| Greetke JANSSEN |
| Greetke JANSSEN | |
| B: | 1 Feb 1804 |
| Altfunnixsyhl, Ostfriesland, Kingdom of Hannover | |
| D: | 28 Mar 1836 |
| Altfunnixsyhl, Ostfriesland, Kingdom of Hannover | |
| Heerken Janssen OMMEN |
| Heerken Janssen OMMEN | |
| B: | 1804 |
| D: | Ostfriesland, Germany |