Children of Mary Lehman and Frederic Wilhelm Baartz are:
+Wilhelm Friederich Baartz, Sr., b. October 25, 1837, Kleinglethen (Klein Zeithen),Brandenburg, Prussia, Germany, d. March 25, 1914, Kewanee, Illinois.
+Augusta Baartz, b. April 11, 1842, Kleinziethen, Brandenburg, Prussia, Germany, d. October 21, 1921, Kewanee, Illinois.
+Louise Emilie Baartz, b. January 31, 1845, Kleinziethen, Brandenburg, Prussia, Germany, d. January 30, 1916, Kewanee, Illinois.
+Ottilie Katherine Baartz, b. September 07, 1848, Kleinziethen, Brandenburg, Prussia, Germany, d. July 13, 1916, Kewanee, Illinois.
Mary Lehman (b. 1815, d. 1906)