Douglas married Joye Adele Benoit 19 Nov 1938. Joye (daughter of George William Meyer and Living, daughter of John Paul Edward Benoit and Viola Faye Garberick) was born 19 February 1923, Stevens, Minnesota, USA; died 12 May 2009, Oak Harbor, Island, Washington; was buried , Oak Harbor, Island County, Washington, United States of America. [Group Sheet]

1. Hermann Julius Eduard Retzlaff was born 08 Apr 1862, Gienow, Regenwalde, Stettin, Pommern, Preussen; was christened 21 Apr 1862, Gienow, Regenwalde, Pomerania, Prussia, Germany; died 11 Dec 1930, Little Falls, Morrison County, Minnesota, United States of America; was buried 13 Dec 1930, Morrison County, Minnesota, United States of America.