Otto married Marian Louise Langdon on 10 Mar 1934 in Wilmee, Cook, Illinois, United States. Marian (daughter of Buel Amos Langdon and Harriet Amelia Swarthout) was born on 4 Jun 1912 in Chicago, Cook, Illinois; died on 24 Mar 2005 in Canal Fulton, Stark, Ohio, United States; was buried on 2 Apr 2005 in Village of Indian Hill, Hamilton, Ohio, United States. [Group Sheet] [Family Chart]

1. Judith Langdon Murphy was born on 20 Dec 1939 in Cincinnati, Hamilton, Ohio, United States; died on 31 Mar 2016 in American Fork, Utah, Utah, United States; was buried on 5 Apr 2016 in Salt Lake City, Salt Lake, Utah, United States.
2. Susan Clark Murphy was born on 3 Oct 1942 in Cincinnati, Hamilton, Ohio, United States; died on 6 Jul 2010 in Jackson Township, Stark, Ohio, United States; was buried on 13 Jul 2010 in Canal Fulton, Stark, Ohio, United States.
3. Dennis Stuart Murphy was born on 26 Jan 1945 in Cincinnati, Hamilton, Ohio, United States; died on 24 Jan 2018 in Los Angeles, Los Angeles, California, United States.