Otto married Irene Dorothea Worm on 6 May 1909 in Seneca, Ohio, United States. Irene (daughter of John C. Worm and Philomena Falter) was born on 2 Feb 1888 in Venice Township, Seneca, Ohio, United States; died on 10 Mar 1960 in Tiffin, Seneca, Ohio, United States. [Group Sheet] [Family Chart]