In the 1940 census Charles is a farm hand with his aunt (or cousin) He len Swenson (m. William) Glieden in Grove Lake. His mother and siste r and stepfather are living in Minneapolis.
As best I can figure out: Charles and Margaret probably first marrie d in 1947. They divorced September 14, 1970. She then married Eugen e Henry Miller in South Dakota 12 days after her divorce was final. T hen she divorced him in 1977. Finally, Charles and Margaret remarrie d again November 14, 1983.