[S139] Fred H. Meinershagen, The Prosperous and Diligent Blacksmith from Wersen: a Genealogy of Heinrich Adolph Meinershagen, January 1, 1785 - May 22, 1870 (Columbia, Missouri: F. H. Meinershagen, 1973), p. 29.
Clarence Ernest Hoefer and Louise Schowengerdt were married on 8 March 1923. No place given.