John George Lettenmaier with his wife and ten children came to America in 1881 from Germany. His father was Johannes, born December 9, 1835 and his mother was Eva Munz, born January 28, 1837.
In about 1888 the family, including eight sons, moved to Barnes County settling in Heman Township.
Christian, born October 14, 1861 , married Martha Zuhlke in 1888, who died October 18, 1913;
John (Johann) born October 1, 1863, married Annie Stiegar. John served in the army during the Indian uprising.
Carl George, born January 28, 1866, married Albertina Quick and farmed at Dazey, North Dakota;
Fred (Fredrick) born November 13, 1870, farmed in Heman Township;
Gottfried, born October 9, 1874, married Anna Hill and later Elzie Zimmerman;
Jake born November 10, 1876;
Matt, born February 13, 1880 completed the family.
Source: Barnes County History 1976 Page 142