Oltman Uke Lupkes was born 5 May 1856 in Petkum, Ostfriesland, Germany to Uke Lupkes (bef1856) and Benna Buker (bef1856) and died 4 June 1942 Wheaton, Minnesota, United States of unspecified causes. He married Hilke Fischer Modder (1867-1892) 8 September 1883 in Ackley, Iowa, United States.
Siblings
Children
| Name | Birth | Death | Joined with |
| Oscar Lupkes (1883-1955) | 10 October 1883 Ackley, Iowa, United States | 5 September 1955 Wheaton, Minnesota, United States | Martha Barkhoff (1890-1953) |
| George Lupkes (1885-1954) | 24 September 1885 Ackley, Iowa, United States | 16 June 1954 Wheaton, Minnesota, United States | Jennie Barkhoff (1888-1982) |
| Anna Lupkes (1887-1976) | 27 December 1887 Ackley, Hardin County, Iowa, United States | 7 April 1976 Cedar Falls, Black Hawk County, Iowa, United States | Enno Hinrichs Barkhoff (1884-1933) |
| Aielt Lupkes (1890-1946) | 3 February 1890 Ackley, Iowa, United States | 10 September 1946 Rushmore, Minnesota, United States | Elsie Block (1893-1973) |
| (infant) Lupkes (1892-1892) | |||
| Name | Birth | Death | Joined with |
| Rolfe Lupkes (1893-1895) | |||
| Albert Lupkes (1894-1972) | |||
| Ralph Lupkes (1896-1979) | |||
| Mary Lupkes (1897-1976) | |||
| Frank Lupkes (1900-1970) | |||
| Kathryn Lupkes (1902-1981) | |||
| Lillian Lupkes (1904-1996) | |||
| Hilda Lupkes (1906-1990) | |||
Footnotes (including sources)
| ‡ General |