Louis F. Heimer, Julius Frederick Hiemer, Katherine Walter

I am looking for information on Louis F. Heimer (b. Apr 19, 1860 in St. Charles County, MO, d.Mar 18, 1917, probably in Lafayette County, MO).He was married to Mary Theresa Braun on Sept 6, 1881 in St. Peters, MO.His parents were Jules/Julius Hiemer and Katherine Walters, both born in Germany who were married on May 28, 1857 in St. Charles County, Missouri. Any information would be appreciated.