(24 June 1914 - 31 July 1930) (her death) (5 children) Walter married Hazel Lee Roberts about 1914 and they had five children Walter, Edwin (Sep. 7, 1917 - Aug. 12, 2012), Robert, Caroline and Barbara Johnson. His wife died in August 1930 from complications resulting from heat stroke after a long train ride from Kansas. At 11:40 pm, Tuesday, December 10, 1946 Johnson died of a brain tumor in Washington, D.C., five weeks after his 59th birthday, and was interred at Rockville Union Cemetery in Rockville, Maryland.