In an article1 about a Valentine sent to him, there is a mention of his relationship to Clarence Messersmith. They were third cousins once removed. Their connected lines are as follows:
Roy: Daniel Messerschmidt/Messermith (b. 1773) > Jacob Messersmith (b. 1800) > Catherine (Messersmith) Lindner (b. 1827) > Mary Ann (Lindner) Hagenbuch (b. 1853) > Hiram “Harry” Hagenbuch Jr. (b. 1886) > Roy Hagenbuch (b. 1916)
Clarence: Daniel Messerschmidt/Messermith (b. 1773) > Jesse B. Messersmith (b. 1815) > Benjamin F. Messersmith (b. 1853) > Jesse B. Messersmith (b. 1877) > Clarence B. Messersmith (b. 1908)