Notes:
a) Came to the United States in 1892, settling in Eland-Norrie area of Wisconsin.
b) Augusta Wolsch is mother of: William O Lettau (*1891), Anna Lettau (*1893), Bertha Lettau (*1895) and Ernest Richard Lettau (*1896)
c) Amelia Bartz is mother of: Otto Adolph Lettau (*1898) and Elda Lettau (*1903)